The pump exhaust should lead to the open air or a fume hood.抽气泵的排气管应该导向室外空旷处或导向一座通风橱.She was in a fume of impatience because she had to wait for the others.为了必须等别人,她非常不耐烦.Place the apparatus in a fume cupboard and cool t...
The utility model relates a linkage device of a cooking fume exhauster and a gas stove.一种燃气炉与抽油烟机的联动装置.The pump exhaust should lead to the open air or a fume hood.抽气泵的排气管应该导向室外空旷处或导向一座通风橱.Place the apparatus in a fume cu...
Many pesticides are irritants.很多杀虫剂都具有刺激性。Drink a lot lots of water, a boy tebacle. Avoid tobacco smoke and other irritancy irritants.多喝水, 少吸烟,少喝酒,和其他刺激性的东西.Mustard oils are irritants, capable of causing serious injury t...
一道拦河坝将会在上游拦住水流，抬升水位。A barrage would halt the flow upstream and lift the water level.拦河坝把河流控制住了.Rivers are controlled by dams.我们决定筑一道拦河坝.We decided to dam the river....
物理学研究力学、热学 、 光学 、 声学和电学.Physics studies mechanics , heat, light, sound and electricity.这两个学生都做了不少电学实验.Both students have made quite a few experiments on electricity.从量子电动力学可以得出所有已知的电学 、 力学和化学定律.Out of quantum electrodyna...