Here is the question. Is methane a polar molecule or a nonpolar molecule? Let's look carefully.
问题是，甲烷是一个极性分子还是非极性分子，我们仔细看看。
Polar conversion function is one theoretical question of organic response, study relevant knowledge of polar conversion.
极性转换作用是有机反应中的一个理论问题，本文系统地介绍了极性转换的相关知识。
If you ever question why they (the bi-polar person) do or say or feel something because you can't understand, this actually might answer some of those questions!
如果你曾经质疑为什么他们(有双相情绪紊乱的人)说了某句话、做了某件事或有某个感受是因为你不了解的话，这就真地有助于回答其中的一些问题！
If you ever question why they (the bi-polar person) do or say or feel something because you can't understand, this actually might answer some of those questions!
如果你曾经质疑为什么他们(有双相情绪紊乱的人)说了某句话、做了某件事或有某个感受是因为你不了解的话，这就真地有助于回答其中的一些问题！
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