A fire drill interrupted the lesson.
一场火警演习中断了上课。
Today's art lesson came to an abrupt end when the gongs sounded for a fire drill.
今天的美术课因火灾演习的铃声大作而突然结束。
Each 60-minute session will involve a "transfer drill" and then some open time for questions and answers on a previous lesson tip.
在60分钟的课程中，先是推杆重心转移训练，然后是针对上节课的提问时间。
应用推荐