偶极性，也称范德瓦耳斯键，包括三种情况。
偶极性
双语例句原声例句
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为了调动运用英语的积极性，偶将天天都给你用英文写个邮件。
I'll be with you learning English from now on. Let's write to each other every day!
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但是偶尔这偶极场会转换极性——南极和北极倒转，这个过程似乎需要几千年的时间。
But occasionally this dipole field switches polarity north and south reverses, and this process seems to take a few thousand years.
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Because this is a dipole, he chose the pole part of dipole to give us polar covalency.
这就是偶极，鲍林选择了偶极中“极“这一部分来,组成极性共价这个词向我们诠释。
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We only have the one bond so the actual HF molecule is polar, it has a net dipole.
但HF中只有一根键,所以分子也是极性的而甲烷中有一个网状偶极。
应用推荐
$firstVoiceSent
- 来自原声例句