His father, the son of a bootmaker, taught science at the local grammar school.

他的父亲是靴子制造商的儿子，他在当地语法学校教科学。

youdao

You don't need to sit in school and study grammar to learn a language.

要学一门外语，你并不需要坐在教室里学习语法。

youdao

You don't need to sit in school and study grammar to learn a language.

要学一门外语，你并不需要坐在教室里学习语法。

youdao