Fire drill is also very necessary.消防演练也十分必要.After the meeting , the participants watched the city's fire special detachment of the squadron fire drill.会后, 与会人员观看了市消防支队特勤中队的灭火演练.Formulate pre - proposal on fire fight...
汽车辗过箱子时把它给压碎了.The box was crushed when the car ran over it.鸡蛋容易压碎。Egg crushes easily.进入磨机的粗料压碎于辊和钢环之间.Coarse material entering the mill is crushed between the ring and rollers....
He found his vocation in ornithology.他发现自己适于专攻鸟类学.Botany, Entomology Herpetology, mammalogy, and ornithology.收藏植物学 、 虫学、虫学 、 乳动物学和鸟类学.Birds communicate by songs, and avian vocalization is a main aspect of ornithology.鸟类鸣...