另两个为胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.The other two, thymine and cytosine, are single ring structures called pyrimidines.胞嘧 啶 核苷:当胞嘧啶通过β - 糖苷键与D- 核糖接合形成的核苷.Cytidine ( cytosine nucleoside ) A NUCLEOSIDE formed when cytosine is linked ...
问题就是要维持心跳的规律性.The idea is to maintain the regularity of the heartbeat.这种现象出现的规律性表明这个过程是由基因决定的。The regularity with which this occurs suggests that the process is genetically determined.我们的经验同时也都具有规律性.Our experience meanwh...
你好，弗蕾迪！是我，玛克辛。Hello Freddy, it's only me, Maxine.会议由众议员玛克辛·沃特斯组织。The meeting was organised by Congress-woman Maxine Waters.玛克辛: 有, 她妒忌得很. 这扫了她一晚的兴头.Maxine: Oh , yes . She was green - eyed. It really spoiled her even...
Soames, scenting the approach of a jest , closed up.索来斯觉察出有点调侃的味儿来了, 赶快把话打断.The pale woodbines and the dog - roses were scenting the hedgerows.金银花和野蔷薇把道旁的树也薰香了.He helped Pamela Tudsbury into her coat, scenting perfume th...