Unit 21
orientation n.适应(环境);指导 [app
orifice n.口;孔;洞 [F
orison n.祈祷 [ME
ornate a.装饰华丽的 [ME
orotund a.宏亮的;夸张的 [L ore rotundo with rounded mouth]
orphan n.a.v.孤儿;使成孤儿
oscillate v.游移不定;踌躇 [L oscillare oscillat- swing]
ossify v.骨化 [F ossifier
ostensible a.表面的;假装的 [F
ostracize v.摒弃;排斥 [Gk ostrakizo
otiose a.无效的;多余的 [L otiosus
outbid v.出高于...的价钱
outgoing a.外出的;出发的
outlandish a.古怪的 [OE utlendisc
outrage n.v.粗暴;暴力;伤害 [ME
ovation n.热烈欢迎;鼓掌;大受欢迎 [L ovatio
overhaul v.分解检查;精细检查 [orig Naut, = release(rope-tackle)by slackening slacken 放松]
overlap v.重复
overshadow v.遮阴;使失色;胜过 [E ofersceadwian(OVER-, SHADOW)]
overweening a.过分的;自负的
overwhelm v.淹没;受打击
overwrought a.过度紧张 [overwork的过去式过去分词]
ovine a.绵羊的;似绵羊的 [LL ovinus
pacifist n.非战主义者
paean n.赞美歌;欢乐歌 [L
pagan n.异教徒 [ME
pageant n.盛会;游行;露天历史剧 [ME pagyn, the ~ of historical events 一连串引人注目的历史事件(
pal n.伙伴;共犯 [Romany = brother, mate, ult
palatable a.怡人的;味美的 [palate上颚;味觉;趣味,嗜好ME