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hydrogen

/haɪdrədʒən/

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variant 1
hydrogen

1 · noun

a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

氢

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A water molecule has two hydrogen atoms and one oxygen atom.

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一个水分子由两个氢原子和一个氧原子组成。

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Pronunciation: /haɪdrədʒən/

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