hydrogen [ˈhaɪdrədʒən]
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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。
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