For example a classmate who takes earth science with me may not be in my maths class.

比如，和我一起上地球科学的同学就可能不和我一起上数学课。

youdao

I'm at the bottom of my class in maths.

我的数学成绩在班里垫底。

youdao

I'm at the bottom of my class in maths.

我的数学成绩在班里垫底。

youdao