由于新冠肺炎疫情，中国的很多学校推迟了开学时间。

A lot of schools across China put off starting classes because of COVID-19.

youdao

学校开学时间是什么时候？

When is the opening date of school term?

youdao

该法律终止了当地学校董事会决定学校开学时间的权利。

The law ended local school boards' authority to decide when their school years should start.

youdao

They start at different times.

开学的时间不同。

麻省理工公开课 - 固态化学导论课程节选