氢分子(H2)在初生云周围散射热量，因此我们要知道在初生云中氢分子的数量。

Molecular hydrogen (H2) radiated the heat out of the clouds, so we need to know how much H2 was in the cloud.

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氢分子(H2)在初生云周围散射热量，因此我们要知道在初生云中氢分子的数量。

Molecular hydrogen (H2) radiated the heat out of the clouds, so we need to know how much H2 was in the cloud.

youdao