It is hard to see how people will get through the winter.难以想象人们将怎样熬过这个冬天。The window was far too small for him to get through.窗户对他来说实在太小,他钻不过去。You'll get through at least ten nappies a day.你每天至少得用10块尿布。...
Therefore , one cannot ignore the contribution of biogenic volatile organic compounds to the secondary organic aerosols.二次有机气溶胶由于其对环境 、 气候和人体健康的影响,正日益受到人们的关注.Dihydroxyindole is an important intermediate of melanin, amino...
N, N - diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N, N二乙基苯胺....
Irving Kristol delivered the coup de grace in a letter dated June 12: they had decided to reject the proposal.欧文·克里斯托尔在6月12日的一封信中发出了最后一击:他们已经决定驳回该提议。The letter is dated 2 July 1993.信件上的日期是 1993 年 7 月 2 日。The document is ...