operative /ˈɔpərətiv, ˈɔpəreitiv/ adj. (计划、法律等)实施中的，起作用的：operative section of a factory工厂的生产部门The scheme was fully operative by 2013.到2013年这一计划已完全实施。External causes become operative through internal causes.外因通过内因而起作用。The new system will not become fully operative until next year.新系统到明年才全面实行。
operator /ˈɔpəreitə/ n. ［c］技师，话务员，操作员：wireless telegraph operators 无线电报务员；a telephone operator 电话接线员
