我解开了自己黄灰相间的衬衫上最下面的两个纽扣。I undid the bottom two buttons of my yellow and grey shirt.这幢楼刷的是浅灰色的灰泥，看上去有些陈旧。The building was of greyish plaster and looked old.我毕业后可以不费吹灰之力地找到任何工作。When I left school, I could walk into any job....
Ammonium chloride vaporizes on heating, and sublimes back to a solid on cooling.氯化铵受热蒸发, 升华,冷却还原为固体.Water vaporizes when boiled.水沸了就变为蒸气.Petrol has a low boiling point; if a little is poured into the hand, it vaporizes.汽...