这是我和我的同桌大卫。

Here I am with my deskmate David.

我真的很喜欢我的同桌大卫。

I really like my deskmate David.

我的同桌总是借我的笔。

My deskmate always borrows my pen.

我每天和同桌一起吃午饭。

I have lunch with my deskmate every day.

我经常和我的同桌分享午餐。

I often share my lunch with my deskmate.

我们的同桌关系很好。

We have a good relationship with our deskmate.

同桌帮我解决了数学题。

My deskmate helped me solve the math problem.

我的同桌昨天帮我做数学作业。

My deskmate helped me with my math homework yesterday.

同桌今天没来上学。

My deskmate didn't come to school today.

我问我的同桌是否可以借我一支笔。

I asked my deskmate if I could borrow a pen.