They form a polar molecule, that is.
它们形成一个极性分子，也就是说。
The two hydrogen atoms form a polar molecule, that is, one with a slightly positive end and one with a slightly negative end.
两个氢原子构成了一个极性氢分子，一个略带正极，一个略带负极。
The two hydrogen atoms form a polar molecule, that is, one with a slightly positive end and one with a slightly negative end.
两个氢原子构成了一个极性氢分子，一个略带正极，一个略带负极。
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