她揪心事太多,人都显得老了.Too much worry had made her look an old woman.伤口疼得揪心.There was a gnawing pain from the wound.这么零零碎碎的看着揪心!This doing things bit by bit gets on my nerves!...
The flesh of his cheeks seemed to have yellowed.他似乎有些面色发黄。The white shirt was yellowed with sweat.白衬衫被汗水渍黄了.The leaves of the book were yellowed with age.书页因年久而变黄....
The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was synthesized in addition.另外还合成了必需原料 2- ( 2- 甲氧基乙氧基 ) 乙醛二乙醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride...