pets4四级词汇pets4四级词汇.doc

O obey/ ?’bei/ vt.顺从 vi.服从object/ ‘obd?ikt ?b’d?ekt/ n.物，物体;目的object/ ‘obd?ikt ?b’d?ekt/ vi.反对;抱反感objection/ ?b’d?ek??n/ n.反对，异议;不喜欢objective/ ob’d?ektiv/ a.客观的;无偏见的oblige/ ?’blaid?/ vt.迫使;施恩惠于observation/ obz?:’vei??n/ n.注意;观察;观察力observe/ ?b’z?:v/ vt.遵守;看到;说observer/ ?b’z?:v?/ n.观察员，观测者obstacle/ ‘obst?kl/ n.障碍，障碍物，妨害obtain/ ?b’tein/ vt.获得，得到，买到obvious/ ‘obvi?s/ a.明显的，显而易见的occasion/ ?’kei??n/ n.场合，时刻;时机occasional/ ?’kei??n?l/ a.偶然的;临时的occupation/ ?kju’pei??nl/ n.占领，占据;职业occupy/ ‘?kjup?ai/ vt.占领;占，占有occur/ ?’k?:/ vi.发生;出现，存在occurrence/ ?’kΛr?ns/ n.发生，出现;事件ocean/ ‘?u??n/ n.海洋;洋oclock/ ?’kl?k/ ad.…点钟October/ ?k’t?ub?/ n.十月odd/ od/ a.奇数的;单只的of/ ?v, ?v/ prep.…的;由于off/ ?:f/ ad.(离)开;(停)止offend/ ?’fend/ vt.冒犯 vi.犯过错offer/ ‘?f?/ vt.提供;提出 n.提供office/ ‘?fis/ n.办公室;处，局，社officer/ ‘?fis?/ n.官员;干事;军官official/ ?’fi??l/ a.官员的;官方的often/ ‘?:fn/ ad.经常，常常oh/ ?u/ int.嗬，哦，唉呀?il/ ?il/ n.油;石油 vt.加油于okay/ ‘?u’kei/ (缩作OK)a.ad.对，好old/ ?uld/ a.老的;…岁的omit/ ?u’mit/ vt.省略，省去;遗漏on/ on/ prep.在…上;在…旁once/ wΛns/ ad.一次;曾经 n.一次one/ wΛn/ num.一 pron.一个人oneself/ wΛn’self/ pron.自己;亲自onion/ ‘Λnj?n/ n.洋葱，洋葱头only/ ‘?unli/ ad.只，仅仅 a.唯一的onto/ ‘ontu/ prep.到…上open/ ‘?up?n/ a.开的;开放的 vt.开opening/ ‘?up?ni?/ a.开始的 n.开始opera/ ‘?p?r?/ n.歌剧operate/ ‘?p?reit/ vi.操作;施行手术operation/ ?p?’rei??n/ n.操作;手术;运算operational/ ?p?’rei??nl/ a.操作上的;可使用的operator/ ‘?p?reit?/ n.操作人员，接线员opinion/ ?’pinj?n/ n.意见，看法，主张opponent/ ?’p?un?nt/ n.对手，敌手;对抗者opportunity/ p?’tju:niti/ n.机会，良机oppose/ ?’p?uz/ vt.反对;反抗opposite/ ‘?p?zit/ a.对面的 n.对立物optical/ ‘?ptik?l/ a.眼的;光学的optimistic/ ?ptimistik/ a.乐观的;乐观主义的optional/ ‘?p??nl/ a.可以任意选择的or/ ?:, ?/ conj.或，或者;即oral/ ‘?:r?l/ a.口头的;口的orange/ ‘orind?/ n.橙(树);柑(树)orbit/ ‘?:bit/ n.运行轨道 vt.环绕orchestra/ ‘?:kistr?/ n.管弦乐队order/ ‘?:d?/ n.次序;整齐 vt.命令orderly/ ‘?:d?li/ a.整洁的;有秩序的ordinary/ ‘?:din?ri/ a.平常的;平凡的ore/ ?:/ n.矿，矿石，矿砂organ/ ‘?:g?n/ n.器官;机构;管风琴organic/ ?:’g?nik/ a.有机体的;器官的organism/ ‘?:g?niz?m/ n.生物体;有机体organization/ ?:g?nai’zei??n/ n.组织;团体，机构o