| 释义 |
化学元素 huà xué yuán sù ★☆☆☆☆n.名词⁰·⁰⁰⁰⁹ᴾᵃ¹¹⁰⁴³
基本例句
chemical elementionium繁体化學元素人体中的化学元素把食物分解成有用的物质。Chemicals in the body break our food down into useful substances.
周期律化学元素在周期表中有相似位置时具有相似特性的趋势The tendency of chemical elements with similar positions in the periodic table to have similar properties. |