N-VAR When there is a fire drill in a particular building, the people who spend time there practise what to do if there is a fire. 消防演习
Fire drills will be conducted in your residence hall every semester.
每学期在你的宿舍楼都会进行消防演习。
The large lizard noticed that whenever the alarm bell rang during the school's practice fire drills, all the children and their teachers ran out of the classroom, leaving the lizard behind, peaceful and quiet for a while.
这只大蜥蜴注意到,每当学校进行消防演习时,只要警铃一响,所有的孩子和老师都跑出教室,把蜥蜴留在教室里,能让它安静一会儿。
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