fire-drill是什么意思

fire-drill是什么意思 fire drill的近义词 英语作文：fire drill drill是什么意思? drill是什么意思 drill是什么意思 A fire drill 的英文作文 transformation-drill是什么意思 evacuation drill是什么意思 there were a fire drill yesterday,那里有错,为什么? There a fire drill yesterday这句错在哪? 改错There is a fire drill tomorrow afternoon. fire是什么意思 fire是什么意思 fire是什么意思? practice and drill这句话是什么意思? A fire drill is,to put it mildly,an inconvenient exercise at the best of times. There were a fire drill yesterday.请问哪里有错误怎么改