第1个回答 2021-02-03
How old are you?
=What's your age?
=When were you born?
三个同义句，意思一样，供参考。
第2个回答 2021-02-04
How old are you ?=What's your age ?=How many years from your birth until now ?(一般不这么说）
第3个回答 2021-02-03
【1】How old are you?
【2】What's your age?
【3】How many years from your birth until now ?