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.蕨类植物和针叶树的木质部仅含有管胞.The xylem of ferns and conifers contains only tracheids.胞质流还仅仅是一种解释真菌中转移的假说.Streaming is still...
引入市场经济后，许多工厂将面临倒闭。When the market economy is introduced, many factories will not survive.Pagoda这个词由17世纪的葡萄牙人引入欧洲。The word "Pagoda" was introduced to Europe by the 17th century Portuguese.英格兰队的人才选拔委员会必须着手引入一些新生力量。The Engl...
一架警用直升机借助热成像设备找到了他。He was found by a police helicopter using thermal imaging equipment.她需要借助医学治疗和心理咨询来克服惨剧带来的影响。She will need medical help and counselling to overcome the tragedy.任何借助望远镜瞄准器的像样射手都可以随意把我们逐个干掉。Any decent sh...
We proffered regrets at having to leave so early.我们对不得不提前离去表示遗憾." Good - bye,'she answered, taking his proffered hand."再见,星期一见. ” “再见, “ 她答道, 握住了他伸出的手.She proffered her cheek to kiss.她伸过自己的面颊让人亲吻.He rose and proffer...
The rivers here teem with fish.这里的河流中有大量的鱼.Unlike, say , Hemingway's or Mailer's, his life doesn't exactly teem with incident.比如他并不像海明威和梅勒的生活那样充满变故.The earth's tropics teem with species.地球上的热带地区物种繁多....