My experience as Rotary World Peace Fellow has been rewarding and enriching.我在担任扶轮世界和平奖学生的经验已经得到回报及充实.It was actually used for enriching uranium to weapons-grade levels.实际上，它是用来将铀浓缩以制造武器。Substantiating and enriching the ...
我们随后朝西前往波兰中部。We then headed west towards the heartland of Poland.汤姆住在一间窗户朝西的房子里.Tom lived in the room with a window facing west.他们沿华拔士街往北朝亚当街走去,然后转弯朝西走.They walked north on Wabash to Adams Street and then west....
Indole is extracted from methylnaphthalene oil through solvent extracting.用溶剂萃取法从甲基萘油中萃取吲哚.Tryptanthrin is a kind of indole quinazoline alkaloid.色胺酮属吲哚喹唑啉类生物碱.Indole consists in washing oil of coal tar.煤焦油洗油(以下简称洗油)中含有吲哚...