When this material burns, it flings off a nasty smell.这种物质燃烧时发出一股难闻的气味.He flings his money about on expensive luxuries.他乱花钱买一些昂贵的奢侈品.Every morning Jane flings the windows open and breathes in the fresh air deeply.简每天早晨推开...
There must be adequate recompense for workers who lose their jobs.必须给失业的工人足够的补偿。He was given £1 000 in recompense for his loss.他得到1,000英镑作为对他损失的补偿.They gave him money in recompense for his trouble.他们给他钱以酬劳他的辛苦....
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using st...