双语例句原声例句
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正负电荷中心不重合的分子称为极性分子。
A molecule where the centers do not coincide is called a polar molecule.
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这种能量就像正负电荷一样脉动着流遍全身。
This energy is something like positive and negative electrical charges pulsating throughout.
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那些分子本身是由若干更小的带有正负电荷的微粒所组成的。
Those molecules themselves are composed of smaller particles that have positive and negative charges of electricity.
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And so, there is an attractive force between the two of them, the positive and the negative.
因此这两个正负电荷间，存在一个吸引力。
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You have a positive electrode here and the electron is charged negatively.
你有一个正电极,电子带的是负电荷。
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