He used to be a teacher of maths in that primary school.

他曾经是名教习，在那所小学教数学。

youdao

I teach maths in a primary school.

我在一所小学教数学。

youdao

My mother is a maths teacher. She teaches in a primary school.

我妈妈是个数学教员，在一所小学教书。

youdao

My mother is a maths teacher. She teaches in a primary school.

我妈妈是个数学教员，在一所小学教书。

youdao