胂是一种无色的有毒的气体需要小心地对待.Arsine is a colorless, poisonous gas that requires careful handling.本文研究了DCB偶氮胂与Cr2O2-7的褪色反应.The fading reaction of DCB arsenazo with Cr 2 O 2 - 7 was studied.本文研究了DCB偶氮 胂与Cr2O2 - 7的褪色反应.The fading re...
The patient fatigues easily.病人容易疲劳.Their fatigues were old, faded to a pale green.他们身上的军用工装都是旧的, 早已褪成了淡绿色.He schools himself to fatigues.他锻练自己能吃苦耐劳....
...the motion picture industry.电影产业Long long ago, we knew the periodic motion of a planet.很久以前, 我们就知道行星的周期运动.They've tabled a motion criticising the Government for doing nothing about the problem.他们提交了一项动议，批评政府在该问题上...