Red ribbon forms a knot in the centre of the cogwheel.齿轮的中心交结着红绶.A cogwheel is placed where the wheat and rice stems cross at the base.齿轮安在下方麦稻杆的交叉点上....
于是,这种鹿便在中国绝灭了.So the deer perished in China.这样一来却使它们免于绝灭.In doing so they were saved from extermination.化石与现存类型之间的这种依赖关系在我们研究绝灭类群时是十分明显的.This dependency between fossil and living types is well illustrated when we deal wi...
语言是人类所特有的.Language is peculiar to mankind.语言是人类所特有的。Language is proper to mankind.欢喜唠唠叨叨、夸张本地优点的脾气是西部特有的.The tendency to expatiate and make much of local advantages was Western....
染料锥虫蓝对卵黄囊的胞饮作用具有明显的双向作用.The dye Trypan Blue has a remarkable biphasic effect on pinocytosis by yolk sal.卵黄囊逐渐被血管化了.The yolk sac is gradually vascularized.日粮中添加卵黄抗体和金霉素可以提高肉鸭血清IGF-I水平.Dietary chicken egg - yolk antibodies...
The book is aimed principally at beginners.这本书主要是为初学者编写的。The sell-off is aimed at repositioning the company as a publisher principally of business information.出售公司部分业务的目的是将公司重新定位为以商业信息类出版物为主的出版商。Embryonic development see...