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n (1) 1)階級(層)(group of people having the same social or economic standing)[C，Gp]：To which～do you belong? 你是什么階級? the working/ruling/middle/upper/lower～勞動/統(tǒng)治/中等/上層/下層階級;the professional～(es)專門職業(yè)階層;2)階級制度(system according to which people are divided into such groups)[U]：～differences/distinctions/divisions/conflict/status 階級差別/界限/劃分/沖突/地位;～wars/struggles/systems 階級斗爭/斗爭/制度;a society ruled by～階級統(tǒng)治的社會;

(2)班級;(年)級(group of students taught together at school or college or (AmE) graduated from a school or university in a particular year)[C，Gp]：The～is 40 in number.這個班有40名學生。The class are，in general，very bright.這個班的學生總的來說都很聰明。belong to/be in the same～是/在同一個班;be in the～above sb at school中學時比某人高一年級;the first-year/second-year/freshman/senior/junior～一年級/二年級/新生年級/高年級/低年級;the～of(19)68/'68 68屆;〖同〗grade，(BrE) form;

(3)一堂課(period of time during which students are taught together)[C]：a maths/French/language～數(shù)學/法語/語言課;take evening～es in German晚上上德語課;have/attend a～in economics at ten o'clock 10點上經(jīng)濟學課;before/after/during/in～課前/課后/上課過程中/上課時;〖同〗course，lesson;

(4)類(別)，等級(division of people，animals or things grouped together，esp according to quality)[C]：Those problems(books/people)fall/can be divided into several～es.那些問題(書/人)分為/可分成幾類。The dog won first prize in its ～ in the dog show.這條狗在狗展上同一類別的狗中獲一等獎。a top～athlete最佳運動員;〖同〗division，classification，kind;

(5)綱((biology)division of animals or plants below phylum and usu including several orders)[C]：Plants can be divided into～es.植物可分成綱。We can identify several～es of fern.我們可以辨認出好幾個綱的蕨類植物。Pine trees belong to the evergreen～.松樹屬于常青綱。〖同〗classification，group，division，kind;

(6)(車、船、飛機、旅店等的)等級(different levels of quality of sth(eg travel， hotels，shops，etc))[C](尤見于合成詞中)：go(travel) first/second～ 坐頭/二等(艙/車廂);buy tickets for first～買一等(艙/車廂)票;a first-～(second-～) compartment/cabin/smoker/ticket 一(二)等車廂/艙/可抽煙的車箱/票;

(7)(考試成績)等(級)(division of university degrees or examination results，according to their quality)[C](AmE中不用;尤見于合成詞中)：a first-/second-/third-～degree 一/二/三等;What～(of degree) did you get： first，second，or third ? 你得了幾等?一等，二等，還是三等?

(8)氣質，風度(high quality that makes one look as if one has high social rank)[U](infml)：His girl friend really has(got)(real/great/a lot of)～.他的女朋友確是氣質不凡。The restaurant has～. 這家飯店有氣派。a～(tennis)player 一個有風度的(網(wǎng)球)運動員;

→′classmate，′class-fellow n 同班同學;′classroom n 教室;′class-conscious adj 有階級意識(覺悟)的;′classless adj 沒有階級的;′classy adj 有品味(高級)的;′classify v;

vt分類(級)(regard as being of a certain type)[T+n，C+n+n/adj;C+n+prep(as)]：be～ed as an abstract expressionist被視為抽象表現(xiàn)派畫家;North Carolina is～ed as an agricultural state.北卡羅來納被視為農(nóng)業(yè)州?！玜 book as a mystery novel把一本書劃歸為神秘小說;～a man as fool把一個男人視為傻瓜;～a woman as stupid 認為一個女人愚蠢;〖同〗classify，group;

【注意】名詞class 當“班級”講時是集合名詞，作主語時謂語動詞數(shù)的使用(見(2)中第1、2兩例)見 AUDIENCE。