constituent /kənˈstitjuənt/ I. n. ［c］1.选民，选区，居民：be favourable/beneficial to constituents 对选民有利 2.成分，组成： the constituents of cement 水泥的成分 Hydrogen is a constituent of water. 氢是水的组成部分。‖II. adj. 组成的，构成的：the constituent parts of bread 面包配料