I really like my deskmate David.

我真的很喜欢我的同桌大卫。

Here I am with my deskmate David.

这是我和我的同桌大卫。

My deskmate always borrows my pen.

我的同桌总是借我的笔。

I often share my lunch with my deskmate.

我经常和我的同桌分享午餐。

I have lunch with my deskmate every day.

我每天和同桌一起吃午饭。

My deskmate didn't come to school today.

同桌今天没来上学。

I asked my deskmate if I could borrow a pen.

我问我的同桌是否可以借我一支笔。

My deskmate helped me solve the math problem.

同桌帮我解决了数学题。

My deskmate helped me with my math homework yesterday.

我的同桌昨天帮我做数学作业。

During the exam, I accidentally glanced at my deskmate's paper.

考试期间，我不小心瞥了一眼同桌的试卷。