他所受到的严厉教养,影响了他对两性的态度.His attitude to sex is coloured by his strict upbringing.所有的两倍体种都是两性的,而且不是白花能稔,就是自花不稔.All diploid species are hemaphroditic and either self - fertile or self - sterile.分子兼有亲水的和疏水的两个基团,叫做两性的或两亲的.Molec...
碳元素年代测定法给考古学家提供了基本的年代框架.Carbon dating provides the archaeologist with a basic chronological framework.蝙蝠用一种回声测定法来判断距离.The bat judges distances by a kind of echo - location.要求用直接测定法校正间接测定法.A direct means is required to ca...
The mare foundered under the heavy load and collapsed in the road.那母马因负载过重而倒在路上.The talks have foundered, largely because of the reluctance of some members of the government to do a deal with criminals.对话已经破裂了，原因主要是因为一些政...
Halogen atoms contain seven electrons in their valence shell.卤原子在它们的介电子层含有七个电子.Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.毫无疑问,氯仿是含碳?卤键的最重要的化合物之一.The formation of p...