senior one
高中: senior middle school; senior ...
一: one
年级: grade; year
【例句】1. I was in first year high school when we learned that he was diagnosed as having lung cancer
当我们得知他被诊断出
肺癌的时候，我正上高中一年级。
2. The emphasis of this thesis is on the implementation of task - based approach in the reading class in senior one
笔者结合高中一年级英语课本，设计了案例。任务型教学不是完美的。