开学 的中文句子和英文句子

新学期开学前，我一直无所事事。

I'm just kicking my heels until the beginning of the new term.


离开学校后，他成为一名建筑工人。

He became a construction worker after he left school.


在上课期间内不要离开学校。

Don't leave the school precincts during school hours.