on 英文单词，同任何一个英文单词一样，可作为某一机构或者装置的简称，但其主要是作为单词来使用，可作为介词、副词、形容词等，且后面加名词。
prep.（表示方向） 向; （表示对象） 对; （表示位置） 在…上; （表示时间） 在…之时
英[ɒn]
美[ɑn, ɔn]
prep.意思为：
1.在....上。
e.g. He laid a hand on my shoulder.
他把一只手放在我肩上。
2. 以...支持,挂在...上;以...为轴
e.g.There is a picture on the wall.
墙上有一幅画。
3. 朝,向
4. 靠近,在...旁,沿着
e.g. She stood on my left.
她站在我左边。
5. 在...的时候,在...后立即
e.g. He jumped with joy on hearing the news.
他一听到这个消息就高兴得跳了起来。
6. 关于,有关
e.g. The teacher made comments on our compositions.
老师就我们的作文作了讲评。
7. 以...方式,通过
e.g. Did you hear it on the radio?
你是从收音机听到这消息的吗?
8. 凭...,靠...;使用...,吃...
e.g. They said they were acting on instructions.
他们说他们是奉命行事。
9. 处于...状态,进行中
e.g. The tap was on.
这盏灯开着。
10. 属于...,参加...,是...的成员
He is on the school volleyball team.
他是校排球队队员。
11. 加之于,重叠于
12. 由...支付
Have another coffee on me.
再来一杯咖啡,我请客。
13. 带在...身上
adj.
1. (机器)工作着的,开着的
2. 正在上演的,在放映的
e.g. What's on for tonight at the cinema?
今晚电影院上映什么片子?
3. 在发生的,在进行的
e.g. The strike is still on.
现在仍在罢工。
4. 菜单上有的,供应的
e.g. I'd like to have some salmon if it is on.
如果有大马哈鱼供应,我想来一点。
5. 知情的
6. 【美】（俚）醉了的
1. 表示时间，注意以下用法：
① 表示时间的某一点、某一时刻或年龄等用 at：
I get up at six in the morning. 我早上六点钟起床。
He got married at the age of 25. 他 25 岁结婚。
② 泛指一般意义的上午、下午或晚上以及月或年等较长的时间，一般用 in：
We watch TV in the evening. 我们晚上看电视。
He went to Japan in 1946. 他于 1946 去了日本。
③ 若表示星期几或某一特定的日期，则用 on：
He left here on the fifth of May. 他于 5 月 5 日离开这儿。
We have English class on Monday. 我们在周五有英语课
2. 表示地点、场所、位置等，注意以下用法：
① 表示某一点位置，用 at：
We live at No 87 Beijing Road. 我们住在北京路 87 号。
The hospital is at the end of the street.这条街的尽头是医院。
与名词所有格连用表示地点，也用 at。如：
at my sister’s 在我姐姐家
at the doctor’s 在医生处（医务室）
② 表示空间或范围，用 in：
What’s in the box? 这盒子里有什么?
He lives in Paris with his wife. 他同他妻子住在巴黎。
但有时两者可换用：
The meeting was held at [in] the hotel. 会议在宾馆举行。
③ at与in的另一个区别是：at多用于指较小的地方，而in多用于指较大的地方：
in Shanghai 在上海 at the station 在车站
④ 介词 on 用于地点，主要指在某物的表面：
What’s on the table? 桌上有什么?
There’s a wallet lying on the ground. 地上有个钱包。
【注】在少数搭配中，也用介词 on：
He works on a farm. 他在农场工作。
3. 在某些搭配中，三者的区别与英国英语和美国英语有关：
in the street (英) / on the street (美) 在街上
in the road (英) / on the road (美) 在路上
in the team (英) / on the team (美) 在这个队
at the weekend (英) / on the weekend (美) 在周末
at weekends (英) / on weekends (美) 在周末
4. 有时三者的差别与搭配习惯和用法有关：
in bed / on the bed 在床上
in the tree (多指树外之物) / on the tree (多指树本身之物) 在树上
prep.（表示方向） 向; （表示对象） 对; （表示位置） 在…上; （表示时间） 在…之时
英[ɒn]
美[ɑn, ɔn]
prep.意思为：
1.在....上。
e.g. He laid a hand on my shoulder.
他把一只手放在我肩上。
2. 以...支持,挂在...上;以...为轴
e.g.There is a picture on the wall.
墙上有一幅画。
3. 朝,向
4. 靠近,在...旁,沿着
e.g. She stood on my left.
她站在我左边。
5. 在...的时候,在...后立即
e.g. He jumped with joy on hearing the news.
他一听到这个消息就高兴得跳了起来。
6. 关于,有关
e.g. The teacher made comments on our compositions.
老师就我们的作文作了讲评。
7. 以...方式,通过
e.g. Did you hear it on the radio?
你是从收音机听到这消息的吗?
8. 凭...,靠...;使用...,吃...
e.g. They said they were acting on instructions.
他们说他们是奉命行事。
9. 处于...状态,进行中
e.g. The tap was on.
这盏灯开着。
10. 属于...,参加...,是...的成员
He is on the school volleyball team.
他是校排球队队员。
11. 加之于,重叠于
12. 由...支付
Have another coffee on me.
再来一杯咖啡,我请客。
13. 带在...身上
adj.
1. (机器)工作着的,开着的
2. 正在上演的,在放映的
e.g. What's on for tonight at the cinema?
今晚电影院上映什么片子?
3. 在发生的,在进行的
e.g. The strike is still on.
现在仍在罢工。
4. 菜单上有的,供应的
e.g. I'd like to have some salmon if it is on.
如果有大马哈鱼供应,我想来一点。
5. 知情的
6. 【美】（俚）醉了的
1. 表示时间，注意以下用法：
① 表示时间的某一点、某一时刻或年龄等用 at：
I get up at six in the morning. 我早上六点钟起床。
He got married at the age of 25. 他 25 岁结婚。
② 泛指一般意义的上午、下午或晚上以及月或年等较长的时间，一般用 in：
We watch TV in the evening. 我们晚上看电视。
He went to Japan in 1946. 他于 1946 去了日本。
③ 若表示星期几或某一特定的日期，则用 on：
He left here on the fifth of May. 他于 5 月 5 日离开这儿。
We have English class on Monday. 我们在周五有英语课
2. 表示地点、场所、位置等，注意以下用法：
① 表示某一点位置，用 at：
We live at No 87 Beijing Road. 我们住在北京路 87 号。
The hospital is at the end of the street.这条街的尽头是医院。
与名词所有格连用表示地点，也用 at。如：
at my sister’s 在我姐姐家
at the doctor’s 在医生处（医务室）
② 表示空间或范围，用 in：
What’s in the box? 这盒子里有什么?
He lives in Paris with his wife. 他同他妻子住在巴黎。
但有时两者可换用：
The meeting was held at [in] the hotel. 会议在宾馆举行。
③ at与in的另一个区别是：at多用于指较小的地方，而in多用于指较大的地方：
in Shanghai 在上海 at the station 在车站
④ 介词 on 用于地点，主要指在某物的表面：
What’s on the table? 桌上有什么?
There’s a wallet lying on the ground. 地上有个钱包。
【注】在少数搭配中，也用介词 on：
He works on a farm. 他在农场工作。
3. 在某些搭配中，三者的区别与英国英语和美国英语有关：
in the street (英) / on the street (美) 在街上
in the road (英) / on the road (美) 在路上
in the team (英) / on the team (美) 在这个队
at the weekend (英) / on the weekend (美) 在周末
at weekends (英) / on weekends (美) 在周末
4. 有时三者的差别与搭配习惯和用法有关：
in bed / on the bed 在床上
in the tree (多指树外之物) / on the tree (多指树本身之物) 在树上
温馨提示：答案为网友推荐，仅供参考
第1个回答 2018-03-09
【on】的意思与用法
1. PREP （表示支承）在…上 If someone or something is on a surface or object, the surface or object is immediately below them and is supporting their weight.
He is sitting beside her on the sofa...
他挨着她坐在沙发上。
On top of the cupboards are vast straw baskets which Pat uses for dried flower arrangements...
橱柜顶上摆着帕特用来插干花的大草篮。
On the table were dishes piled high with sweets...
桌上放着堆满了糖果的碟子。
2. PREP （表示粘贴或附着）在…上 If something is on a surface or object, it is stuck to it or attached to it.
I admired the peeling paint on the ceiling...
我“观赏”着天花板上正在剥落的油漆。
The clock on the wall showed one minute to twelve...
墙上的钟指向11点59分。
There was a smear of gravy on his chin.
他下巴上沾了些肉汁。
On is also an adverb.
I know how to darn, and how to sew a button on.
我会打补丁，缝纽扣。
3. PREP （放、扔或掉）在…上面 If you put, throw, or drop something on a surface, you move it or drop it so that it is then supported by the surface.
He got his winter jacket from the closet and dropped it on the sofa...
他从衣橱里取出冬天穿的夹克，把它扔到沙发上。
He threw a folded dollar on the counter.
他将折起的1美元钞票扔到柜台上。
4. PREP （身体重量）由（某部位）支撑 You use on to say what part of your body is supporting your weight.
He continued to lie on his back and look at clouds...
他仍旧仰卧着，望着天上的云彩。
He raised himself on his elbows, squinting into the sun...
他用胳膊肘支起身子，眯着眼睛看了看太阳。
She was on her hands and knees in the bathroom.
她趴在浴室的地上。
5. PREP （表示接触到身体某部位）在…上 You use on to say that someone or something touches a part of a person's body.
He leaned down and kissed her lightly on the mouth...
他俯下身去，在她嘴唇上轻轻一吻。
His jaw was broken after he was hit on the head.
他的头部受重击之后下颌骨折了。
6. PREP （某种表情）在（脸）上 If someone has a particular expression on their face, their face has that expression.
The maid looked at him, a nervous smile on her face...
女服务员看着他，脸上带着一丝局促不安的微笑。
She looked at him with a hurt expression on her face.
她望着他，脸上流露出受伤的表情。
7. ADV （穿或戴）上，在身上 When you put a piece of clothing on, you place it over part of your body in order to wear it. If you have it on, you are wearing it.
He put his coat on while she opened the front door...
她打开前门时，他穿上了大衣。
I had a hat on.
我戴了顶帽子。
8. PREP 带在…身上 You can say that you have something on you if you are carrying it in your pocket or in a bag.
I didn't have any money on me...
我身上一分钱也没有。
I have those numbers, but not on me at the moment, they're at home.
我有这些号码，但眼下没带在身上，搁在家里了。
9. PREP （视线）落在…身上 If someone's eyes are on you, they are looking or staring at you.
Everyone's eyes were fixed on him...
每个人都盯着他看。
It's as if all eyes are focused on me...
好像所有的目光都聚集在我身上似的。
Ellen is eating, her eyes on her food.
埃伦在吃东西，眼睛只盯着食物。
10. PREP （碰）上…（而受伤） If you hurt yourself on something, you accidentally hit a part of your body against it and that thing causes damage to you.
Mr Pendle hit his head on a wall as he fell...
彭德尔先生摔倒时头磕到了墙上。
One day when my wife was doing the dishes she cut her hand on a broken glass.
一天，我妻子洗碗碟时，被一只破玻璃杯割破了手。
1
1. PREP （表示支承）在…上 If someone or something is on a surface or object, the surface or object is immediately below them and is supporting their weight.
He is sitting beside her on the sofa...
他挨着她坐在沙发上。
On top of the cupboards are vast straw baskets which Pat uses for dried flower arrangements...
橱柜顶上摆着帕特用来插干花的大草篮。
On the table were dishes piled high with sweets...
桌上放着堆满了糖果的碟子。
2. PREP （表示粘贴或附着）在…上 If something is on a surface or object, it is stuck to it or attached to it.
I admired the peeling paint on the ceiling...
我“观赏”着天花板上正在剥落的油漆。
The clock on the wall showed one minute to twelve...
墙上的钟指向11点59分。
There was a smear of gravy on his chin.
他下巴上沾了些肉汁。
On is also an adverb.
I know how to darn, and how to sew a button on.
我会打补丁，缝纽扣。
3. PREP （放、扔或掉）在…上面 If you put, throw, or drop something on a surface, you move it or drop it so that it is then supported by the surface.
He got his winter jacket from the closet and dropped it on the sofa...
他从衣橱里取出冬天穿的夹克，把它扔到沙发上。
He threw a folded dollar on the counter.
他将折起的1美元钞票扔到柜台上。
4. PREP （身体重量）由（某部位）支撑 You use on to say what part of your body is supporting your weight.
He continued to lie on his back and look at clouds...
他仍旧仰卧着，望着天上的云彩。
He raised himself on his elbows, squinting into the sun...
他用胳膊肘支起身子，眯着眼睛看了看太阳。
She was on her hands and knees in the bathroom.
她趴在浴室的地上。
5. PREP （表示接触到身体某部位）在…上 You use on to say that someone or something touches a part of a person's body.
He leaned down and kissed her lightly on the mouth...
他俯下身去，在她嘴唇上轻轻一吻。
His jaw was broken after he was hit on the head.
他的头部受重击之后下颌骨折了。
6. PREP （某种表情）在（脸）上 If someone has a particular expression on their face, their face has that expression.
The maid looked at him, a nervous smile on her face...
女服务员看着他，脸上带着一丝局促不安的微笑。
She looked at him with a hurt expression on her face.
她望着他，脸上流露出受伤的表情。
7. ADV （穿或戴）上，在身上 When you put a piece of clothing on, you place it over part of your body in order to wear it. If you have it on, you are wearing it.
He put his coat on while she opened the front door...
她打开前门时，他穿上了大衣。
I had a hat on.
我戴了顶帽子。
8. PREP 带在…身上 You can say that you have something on you if you are carrying it in your pocket or in a bag.
I didn't have any money on me...
我身上一分钱也没有。
I have those numbers, but not on me at the moment, they're at home.
我有这些号码，但眼下没带在身上，搁在家里了。
9. PREP （视线）落在…身上 If someone's eyes are on you, they are looking or staring at you.
Everyone's eyes were fixed on him...
每个人都盯着他看。
It's as if all eyes are focused on me...
好像所有的目光都聚集在我身上似的。
Ellen is eating, her eyes on her food.
埃伦在吃东西，眼睛只盯着食物。
10. PREP （碰）上…（而受伤） If you hurt yourself on something, you accidentally hit a part of your body against it and that thing causes damage to you.
Mr Pendle hit his head on a wall as he fell...
彭德尔先生摔倒时头磕到了墙上。
One day when my wife was doing the dishes she cut her hand on a broken glass.
一天，我妻子洗碗碟时，被一只破玻璃杯割破了手。
1
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