| 词汇 | tractor |
| 词根词缀 | 词源： 1856, "something that pulls," earlier used of a quack device consisting of two metal rods which were supposed to relieve rheumatism (1798, in full Perkins's metallic tractor), from M.L. tractor, from stem of L. trahere "to pull, draw" (see tract (1)). Sense of "an engine or vehicle for pulling wagons or plows" is first recorded 1901, from earlier traction engine (1859). The meaning "powerful truck for pulling a freight trailer" is first found 1926; tractor-trailer is attested from 1949. 词根记忆： n. 拖拉机,牵引车To make the contract attractive, the contractor subtracted a tractor from it.为了使合同有吸引力,承包商从中减去了一台拖拉机. n. 拖拉机(tract+or→拉的东西→拖拉机)[tract=draw,表示"拉,拖"] n. 拖拉机(tract拖,拉)[-or表名词,"人或物器",在一些词根前写成"-ator"] 词根词缀： tractor tractor n 拖拉机(tract+or=拉的东西=拖拉机) tract =draw, 表示”拉,拖” adstract v 抽出a. 抽象的(abs离开+tract=拉出,抽出) adstraction n 抽象,发呆(思想被拉走) attract v 吸引(ar加强动作+tract=不断拉=吸引) attraction n 吸引力(attract+ion) attractive a 有吸引力的(attract+ive) contract n 契约v. 收缩(con共同+tract=共同拉[回去]=收缩,对大家都有制约=合同) contraction n 收缩detract v 降低,贬损(de坏+tract=拉坏=降低) detraction n 毁谤,减损detractor n 毁谤者(detract贬损+or人) distract v 分散,使混乱(dis分开+tract=[思想]被拉开=分心,分散) distracted a 心烦意乱的extract v 抽出,提炼出(ex出+tract=拉出来=提炼出) extraction n 提炼,抽出protract v 延长(pro向前+tract向前拉=延长) protractile a 可延长的(protract+ile) retract v 缩进,退缩(re向后+tract=向后拉=缩进) retraction n 缩进,撤回sudtract v 减去,扣除(sub下+tract=拉下去=减去) tractor n 拖拉机(tract+or=拉的东西=拖拉机) tract n 一片土地,地带(拉长的一片地) tractctble a 易管教的(tract+adle=能够拉[回来]=易管教的) tractor n 拖拉机(tract拖,拉) -or表名词,”人或物器”,在一些词根前写成”-ator” mentor n 导师(ment精神) vendor n 小贩(vend出售) precursor n 先驱(pre预先+curs跑) gladiator n 角斗士(gladi剑=用剑斗) arbitrator n 仲裁人(arbitr仲裁+ator) curator n 馆长(cur关心+ator) pastor n 牧师(原来是拉丁文”牧羊人”的意思) executor n 遗嘱执行人(execute执行) proctor n 学监,代理人(proct监督) incubator n 孵卵器(in里面+cub睡觉) generator n 发电机(gener产生) tractor n 拖拉机(tract拖,拉) detector n 探测器(detect察觉) compressor n 压缩机(com共同+press压) |
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