| 1. | The rest of the chemical elements occur in only minor or trace quantities .
其余的化学元素仅以少量或微量出现。 |
| 2. | The atoms of the different chemical elements are different aggregations of atoms of the same kind .
不同化学元素的原子是同类原子的不同聚合物。 |
| 3. | Each of the chemical elements that makes up the objects radiates at its own characteristic wavelength .
构成这些天体的每一种化学元素都会以它们特有的波长发出辐射。 |
| 4. | Property to the name of chemical element and the
属性设置为化学元素的名称，并将 |
| 5. | Hydrogen is the lightest chemical element of all
氢是所有化学元素中最轻的。 |
| 6. | Both hydrogen and oxygen are elements
氢和氧都是化学元素。 |
| 7. | So they represented this chemical element with a solar symbol
所以他们用太阳符号来代表这种化学元素 |
| 8. | Chemical elements and simple inorganic compounds ; names and symbols
化学元素及简单的无机化合物.名称和符号 |
| 9. | Chemicals in the body break our food down into useful substances
人体中的化学元素把食物分解成有用的物质。 |
| 10. | Talking about trace chemical element and physiological function in body
试论人体中的微量化学元素及其生理功能 |
