Lignin of rice husk high boiling point solvent ( HBS ) digesting process with aqueous solvent of ethanediol.以乙二醇水溶液为溶剂,稻壳为原料制备木质素.Optimization of production can be realized by using the improved ethanediol solvent extrac...
这张表格须由孩子的家长或监护人签字.The form must be signed by the child's parents or guardian.这些孤儿的叔父成为他们的监护人.Their uncle was declared guardian to the orphans.这女孩的父母双亡后, 舅父和舅母成了她的监护人.After the girl's parents died, she was made ...
The sailor went through all the motions smartly.这个水手机灵地走了走过场。a lone sailor crossing the Atlantic独自横渡大西洋的人He went about in the disguise of a sailor.他伪装成海员到处流窜....