乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.这是冷却,滤出沉淀的二氯碘化铯.It is cool and filter the precipitated caesium dichloroiodide.反应器和输送管线被用少量二氯甲烷洗涤几次.The rea...
在不干净的水中洗澡，他们可能会受到感染。By bathing in unclean water, they expose themselves to contamination.要是能洗个热水澡、换身干净的衣服就太好了。I would love a hot bath and clean clothes.他穿着他最干净的便裤，洁净的衬衫和藏青色上装。He wore his cleanest slacks, a clean shirt an...
I saw Louise walking slowly to the bus stop.我看见路易丝慢慢地走向公共汽车站。Louise herself had family ties in Nimes.路易丝本人在尼姆有亲戚。I slipped a note under Louise's door.我偷偷在路易斯的房门下面塞了一张便条。...