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。
In maths and science boys and girls perform much the same at primary school, but at age 15 boys do rather better than girls in maths (though not science).
小学阶段男性和女性在数学和科学方面表现相当，但在15岁之后男性在数学方面的表现会超过女性(在科学方面仍然相当)。
I teach maths in a primary school.
我在一所小学教数学。
Primary school teaching theory of Maths is a central major course for the primary school teaching speciality in higher teachers training college.
《小学数学教学论》是高等师范院校小学教育专业的一门必修课程、核心课程。
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。
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。
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