有关硫醇酯类的数据非常有限.Only a very limited amount of data is available on thiol esters.这个合成硫醇的方法,就显得更加重要.This approach to mercaptans takes on added importance.目的讨论合成盐酸吡硫醇的关键反应.Objective To discuss the key synthesis reaction of Py...
其理自明.The principle involved is obvious.含义自明,无须多说.This point is self - evident and needs no elaboration.自明便是真理, 这一点一定要坚持.Truisms are true, hold on to that!...
To be ignorant of one's ignorance is of the ignorant.每天进步一点点----不知道自己的无知,是无知者的通病.They appear to be ignorant of what is going on here.他们对这里发生的事似乎一点也不知道.She appears to be ignorant of this fact.她似乎不知道这件事实....
Inserting the key in the lock, he turned it and pulled the door open.他把钥匙插进锁里转了一下,拉开了门.Something there was that kept inserting reality between them.总有东西不断把现实插到他们中间.Wait for a couple of minutes with your mouth closed befo...
Annoy irritate bother irk vex provoke aggravate peeve rile.Annoy使生气,使烦恼,打搅,干扰.Today, her chirping enthusiasms did not irritate Lily.今天她在丽莉耳旁叽叽喳喳说的那些热情话并没惹丽莉发火.Wear rubber gloves while chopping chillies as they can irrita...
The symptom of sodden branchial disease?烂鳃病的症状?Colonitis and rectum cancer have what symptom respectively, relative?结肠炎和直肠癌分别都有什么症状, 有关系 吗 ?Results Arthroscopic debridement and intra - articular sodium hyaluronate inject...