单词 | hydrogen |
释义 | hydrogen/'haɪdrəʤən/ n. a colourless gas that is lighter than air and combines with oxygen to form water n. [U] 氢:Water is composed of hydrogen and oxygen. 水由氢和氧构成。 构词hydro(水) + gen (生成)→生成水的成分 同根 general; generation; generous; oxygen |
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