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repetition frequency
un. 重复频率 [网络] 重现频率;重复率
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ballistics n. 发射学,弹道学
shrike n. 伯劳鸟;百舌鸟
RAFFERTY adj. <澳新俚>完全不讲章法的,混乱的,无组织的
sentry n. 哨兵;岗哨 vi. 放哨 vt. 设岗哨
frederic n. 弗雷德里克(男性名)
pup n. 小狗;幼畜 vt. 生(小狗等小动物) vi. 生小狗
barrios n. 美国城镇中说西班牙语居民集居的贫民区( barrio的名词复数 )
Brownlow [人名] 布朗洛; [地名] [英国] 布朗洛
gazetteer n. 地名辞典;公报作者
amplitude n. 振幅;丰富,充足;广阔
gracious adj. 亲切的;高尚的;和蔼的;雅致的 int. 天哪;哎呀
slouch n. 下垂;笨拙的人,懒散的人;懒散的样子 vt. 使下垂 vi. 没精打采地站;耷拉
Mississippian adj. 密西西比河的;密西西比州的 n. [地质] 密西西比人
airframe n. 机身
ophthalmologic adj. 眼科学的
fra abbr. 联邦铁路局(Federal Railroad Administration);联邦储备法(Federal Reserve Act);流量警报记录器(Flow Alarm Recorder);自由基型(Free Radical Type)
numbed vt. 使麻木;使发愣;使失去感觉 adj. 麻木的;发愣的
practised v. 实践;练习;惯做(practise的过去分词) adj. 熟练的;老练的
cunnilingus n. 舔阴,为她口交
egregious adj. 惊人的;过分的;恶名昭彰的
考试词汇表
keep in ignorance
keep in step with
keep my eyes open
keep my head down
keep off sb's toe
keep off the spot
keep on doing sth
keep on the rails
keep one's end up
keep one's eye in
keep one's eye on
keep one's figure
keep one's ground
keep one's temper
keep oneself dark
keep open account
keep options open
keep our minds on
keep ourselves to
keep out of sight