| 释义 |
化合 huà hé ★★☆☆☆v.动词⁰·⁰⁰²⁷ᴾᵃ⁴⁶⁴⁸
基本例句
chemical combinationcombinationchemical unionunitecombine-harvester
化合价，原子价原子或原子团与其它原子反映时由所失、增加成共享的电子数目决定的化合能力The combining capacity of an atom or a radical determined by the number of electrons that it will lose, add, or share when it reacts with other atoms.
五氧化物由五个氧原子和其它元素或基组成的化合物A compound having five atoms of oxygen combined with another element or radical.
聚合物许多天然和人工合成的化合物中的任一种，通常具高分子的重量，包含最多可达上百万个的彼此重复且相连的单位，每一个单位都是一个相对较轻和较简单的分子Any of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units, each a relatively light and simple molecule.
氢与氧化合成水。Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. |