In physics: positive and negative electricity.

在物理学中，阳电和阴电。

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One is negative electricity, being, in fact, the tiny particle called the electron, familiar to radio fans as one of the particles vast swarms of which operate radio vacuum tubes.

其中一种带负电，实际上我们称它为电子，熟悉半导体收音机的爱好者都知道机器里面的电子管中含有大量的这种电子微粒。

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Those molecules themselves are composed of smaller particles that have positive and negative charges of electricity.

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。

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Expensive electricity, an inadequately funded public sector pension system, and high interest rates round out this negative picture.

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