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1.scrub v.擦洗( to clean with hard rubbing)；n．矮树(a stunted tree or shrub)
和rub(v.擦，摩擦)一起记
例：A scrub jay can remember when it cached a particular piece of food in a particular place.
派生词：scrubby(a.矮小的；树丛繁盛的)
2.scrubber n.刷子(one that scrubs)：净气器(an apparatus for removing impurities especially from gases)
例:Installing scrubbers in smokestacks can reduce harmful emissions.
3.scrupulous a．谨慎的(meticulous)；严格认真的(careful)
词根记忆：来自scruple(n./v.审慎)
例：she is scrupulous to a degree．//The newcomer works with scrupulous care.
派生词：unscrupulous(a．肆无忌惮的)
4.scrutinize v.仔细观察，审视(to examine closely)
词根记忆：scrutin（检查）+ize--仔细观察
例：Analysts scrutinized unemployment patterns according to skill level ethnicity, race, age, class, and gender.
派生词：scrutiny(n.细察；监督)
5.scrutiny n．详细审查(examination)；监视（surveillance）；细看(a searching look)
词根记忆：来自scrutinize(v.仔细检查)
例：In corporate purchasing, competitive scrutiny is typically limited to suppliers of items that are directly related to end products.
6.scuba n．水肺；水中呼吸器(an apparatus used for breathing while swimming underwater)
联想记忆：s（看作s形状的）+cuba(音似：哭吧)--潜水时丢了水中呼吸器只有哭吧--水中呼吸器
例：Archaeological remains are exposed to turbulence and are accessible to anyone in scuba gear.
7.sculpture n．雕塑品(work produced by sculptor)；雕塑（术）(the action or art of processing plastic or hard materials into works of art)；v.雕刻(to cave, engrave)
例：This allegedly Roman sculpture was shown to be a forgery.//The art students all had to take a class in sculpture.// The potter sculptured the clay into an ashtray.
同根词：sculptor n．雕刻（塑）家
8.scurrilous a．粗俗的：诽谤的(vulgar, foulmouthed)
词根记忆：scurril(下流)+ous--下流的；和scurry(v.急奔)一起记
例：The magazine is constantly making scurn70us attacks on politicians.
9.seasonal a．季节的；周期性的( of, relating to, or varying in occurrence according to the season)
词根记忆：来自season(n．季节；时期：让给…调味)
例：The seasonal variation in group size can probably be explained by a seasonal variation in mortality among young voles.
派生词：seasonally( ad.季节性地；周期性地)
同根词：seasonable(a.适时的)
adj. 考古学的，考古学上的
