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...
这项公告是在国防部长的 公报 中发出的.The announcement was made in a communique & 1 & issued by the Defence Minister.公报只字不提这些问题中哪个问题取得了进展.The communique & 1 & made no mention of progress on any of the issues.那是《国民公报》的“紧急号外 ”.He thrust a&#...
A feverish child refuses to eat and asks only for cold drinks...发烧的孩子不愿吃东西，只会要冷饮。This country refuses stubbornly to make amends for its past war crimes.该国顽固地拒绝为其过去的战争罪行赔罪.What if a factional ringleader refuses to be tran...
She craned her neck to get a better view...她伸长脖子想看得更清楚些。Jane craned her neck to look for her mother in the crowd.简伸长脖子张望, 在人群里找她的母亲。She craned forward to look at me.她向前探出身子看着我。Children craned to get close to him...孩子们探着身...