This is Lesson One.

这是第一课。

I'm thinking about my lesson.

我正在考虑课程。

This material feels soft.

这材料感觉很软。

Which foot hurts?Is it the left one?

哪个脚受伤?是左脚？

I'm leaving tomorrow,but I haven't packed my suitcases yet.

我明天将离开，但是我还没收拾好行李。

The doctor discovered that I'm a little overweight.

医生发现我有点超重。