| 单词 | chemical formula |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔chemical formula〕H2O is the chemical formula for water.H2O 是水的化学分子式。剑桥高阶〔copy〕We carefully copied down the chemical formula.我们认真抄下了化学式。麦克米伦高阶〔empirical formula〕A chemical formula that indicates the relative proportions of the elements in a molecule rather than the actual number of atoms of the elements.成分式：表示在一个分子中各元素的相对比例而非元素的实际原子数的化学式美国传统〔formula〕The chemical formula for water is H2O.水的化学分子式是H2O。英汉大词典〔formula〕We had to learn chemical formulas at school, but I can only remember H2O for water.我们上学时都得学习化学分子式，但是我现在只记得得 H2O 代表的是水。剑桥高阶〔molecular formula〕A chemical formula that shows the number and kinds of atoms in a molecule.分子式：表明一个分子中原子的数量和种类的化学式美国传统〔structural formula〕A chemical formula that shows how the atoms and bonds in a molecule are arranged.结构式：表现分子中的原子的键如何排列的化学式美国传统H2O is the chemical formula for water. H2O 是水的化学分子式。剑桥国际 |
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