英德
有道
百度
谷歌
图片
维基
百科
极性键
[物化] polar bond
polar linkage
polar linkage
- 它应该告诉了你，首先，这是一根极性键。
It tells you that, first of all, there is polarity here. - 这是四个极性键，按空间对称聚集的结果。
It is an aggregate of four polar bonds, but they are symmetry arranged in space. - 第二种构成,需要空间非极性,就是需要极性键的空间对称分布。
The second way to have something that is net nonpolar is to have spatially symmetric disposition of polar bonds.
 |
 |
 |
 |
 |
 |
 |
中国词汇量第二的英语词典
更多精彩，登录后发现......
