这一年以各阵线都获得卓越的功绩而结束.The year went out, with great achievements on all fronts.他全靠他的功绩才达到今天的地位.He reached his present senior position through sheer merit.建立这一功绩的苏联宇航员名叫雷诺夫.The name of the Russian astronaut who performed thi...
Bookcases flank the bed.床的两侧有书柜。The bookcases that do duty as room dividers are bought from the same store.作为分隔房间的墙壁用的书柜购自同一商店.The study was lined from floor to ceiling on every wall with bookcases.书房的四面墙都摆满了书架，从地板一直到天花板...
因而需要较大量钙去固定草酸.Thus there is a greater calcium need to immobilize the oxalate.乙二醇迅速地被它氧化,生成草酸和羟基醋酸.Glycol is oxidized rapidly by it to oxalic and glycolic acids.标记的莽草酸迅速地转变成苯丙氨酸.Labelled shikimic acid is reality converted...