English has hurt me a thousand times, but I still regard it as my first love.英语伤我千百遍，我待英语如初恋。I picked first all the people who usually were left till last.我先挑出了所有通常留到最后的人。It is better to stretch the tight muscles first.最...
用蒽酮-硫酸比色法测定了桑叶中多糖的含量.The contents of polysaccharide in leaves of Morus alba L. were measured by anthrone - H 2 SO 4 colorimetry.方法采用邻二氮菲法及蒽酮法分别测定铁及右旋糖酐含量.Method The contents of Fe and dextran were determined respectively...
Dr Blackwell studies a group of quorum - sensing molecules called acylated homoserine lactones ( AHLs ).Blackwell博士研究了群体感应中的一种叫做酰基高丝氨酸内酯 ( AHLs ) 分子.N - acylhomoserine lactone ( AHL ), as quorum sensing signals, regulate...
I was surprised by the impropriety of his remarks.他的话不得体,我听了很诧异.They were shocked by the impropriety of the young man's action.他们为那年轻人的不当举止而感到震惊.Parliament was accused of constitutional impropriety.议会被指控有违宪行为....
I watched a slow-motion videotape replay of his fall.我看了一遍录像带上他摔倒时的慢动作重放。The incident was captured on videotape.事件被拍成了录像。The police think the videotape may hold some vital clues to the identity of the killer.警方认为那盘录像带可能录...