No creditable macrofossil record of the Fagaceae exists in the Cretaceous equivocal and require further study. 白垩纪尚无壳斗科可靠的大化石记录,微化石需要进一步研究才能确定亲缘关系以及古新世壳斗科已经分化出两个类群.
By pushing aside unpleasant thoughts they merely repress these thoughts.他们对不愉快的想法不予理会，其结果仅仅是压制了这些想法。I couldn't repress a sigh of admiration.我忍不住发出一声赞叹。People who repress their emotions risk having nightmares.压抑情感的人容...
What are the most important things you to know about your pen - friend?你想知道关于你笔友的最重要的事是 什么 ?What do you intend to sent to your pen - friend this Spring Festival?今年春节你打算给你的笔友寄点 什么 ?You have just received this letter from ...
Biological systems have been doing this for billions of years...生物系统亿万年来一直都是这样。Billions of pounds are riding on the outcome of the election.几十亿英镑都取决于这次选举的结果。Israel accepted billions of dollars in war reparations.以色列得到了几十...