【正文】
② ( adj) Extra or that is more than is needed 過剩的,剩余的,多余的。 (adv) ( of things of two kinds) by turns。 eg: Until his death in 1986 Greenwood owned and operated an enormous pear orchard. or has particular effect, function 工作,其作用,功能 eg: Ceiling and wall lights can operate independently. (操作,控制,使用 / 動手術(shù) / 作戰(zhàn),執(zhí)行任務(wù)) One