在特殊的酸催化中, 不离解的酸不起作用.In specific acid catalysis, the undissociated acids do not contribute.所有的原子和分子系统都受光致电离和光致离解的影响.All the atomic and molecular systems are subject to photoionization and photodissociation.后者是由二氧杂环戊烷中活化较弱...
Ceiling are sometimes soundproofed, and music piped in. Most of the stores are air - conditioned.有的天花板装有隔音层, 从里面不时的传出音乐声, 大多数超市都装有空调.The villagers piped in drinking water from the reservoir...村民用管道从水库引来饮用水。The lake water...
Jockeys are forbidden to bet on the outcome of races.职业赛马骑师禁止对赛马结果下注。Barron invited her to accompany him to the races.巴伦邀请她陪他参加比赛。The College welcomes students of all races, faiths, and nationalities.学院欢迎所有的学生，无论其种族、宗教信仰...
She danced an Irish jig.她跳起了爱尔兰吉格舞。I went mad with joy and danced a little jig.我欣喜若狂,跳了几步吉格舞.A reel is in four-four time, and a jig is in six-eight time.里尔舞曲是四四拍，吉格舞曲是六八拍。...
I'm not trying to beat your alibis any more than I'm trying to prove'em.我并不是不让你辩护,我只是想把那个人找出来.We had a couple of suspicious characters but their alibis are watertight.我们中有几位多疑的人,但是他们的阴谋无懈可击.Success require...