| 单词 | hydrogen |
|---|---|
| 音标 | 英[ˈhaɪdrədʒən] 美[ˈhaɪdrədʒən] |
| 解释 | n.<化>氢; |
| 例句 | N-UNCOUNT 氢;氢气 Hydrogen is a colourless gas that is the lightest and commonest element in the universe. |
| 变形 | pl:hydrogens~ |
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