Hydrogen
/ˈhaɪdrədʒən/📚 5167 82 2四级六级考研托福雅思高考Hydrogen is a colourless gas that is the lightest and commonest element in the universe. 氢
noun [专属名词]氢，氢气
Hydrogen and oxygen combine to form water.
氢与氧化合成水。
- Hydrogen 出现在下面的课文中
- Lesson 43 Are there strangers in space? Hydrogen 名词: 氢气
hydro(水) + gen(产生) → 参与生成水的物质 → 氢
单词造句: