知识贝壳
所属栏目:商务英语
adj. ①有效的,起作用的/This law becomes operative on 12 May. /此法令自 5 月 12日起生效。/②操作的/The oil rig is now fully operative. /石油钻塔现全面开工。/③最重要的/When I say “come quickly”,the operative word is “quickly”./我说“快来”,关键的字是 ......(本文共 302 字 ) [阅读本文] >>