| 单词 | hydrogen |
| 释义 | hydrogen/ˈhaɪdrədʒən ||; ˈhaɪdrədʒən/noun [u] (symbol h) a light colourless gas. hydrogen and another gas (oxygen) form water (h₂o). 氢；氢气 hy·dro·gen /`haɪdrədʒən; ˈhaɪdrədʒən/n [u]a gas that is lighter than air, and that becomes water when it combines with oxygen 氢 |
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