hydrogen [ˈhaɪdrədʒən]以下由轻松背单词网站提供
单词级别第5级基本释义n.氢元素,氢气英英释义the lightest gas , with no colour , taste or smell , that combines with oxygen to form water参考例句Water is made up of atoms of hydrogen and oxygen. 水由氢和氧的原子构成。A chemist can isolate the oxygen from the hydrogen in water. 一个化学家能把水中的氧和氢分解。 推荐阅读 |