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n (1)痕(蹤，足)跡(mark，trace，course or path left by a moving body)[C]：leave a～of destruction/dust/water/blood 留下破壞的痕跡/揚起一股灰塵/留有水的印跡/留有血跡;leave～of debts 欠下一堆債;vapour/jet～s 蒸汽/噴氣尾跡;～s of smoke 縷縷煙霧;hard/hot on sb's～緊跟在某人(某物)的后面;〖同〗mark，sign，trace;

(2)崎嶇小道(path or track made across a wild region，over rough country，or the like)[C]：keep to/follow the～沿著/沿著小路走;climb up a mountain～爬上山間小路;a～through the forest/the mountains 通過森林/山區(qū)的崎嶇小路;〖同〗path，pathway，way;

(3)獵(臭)跡(scent of a person or animal)[C]：follow/find the～of a fox (bear) 跟著/找到狐貍(熊)的臭跡;be on the～of the escaped convict/the kidnapper 正在追捕逃犯/綁架者;〖同〗track，scent，sign，mark，trace;

v (1)拉，曳，拖((cause sth to)be dragged along the ground or some other surface)[I，I+prep，I+adv，T+n，T+n+prep，T+n+adv]：The kite's tail～ed in the air. 風(fēng)箏的尾巴拖曳在空中。(sth) be～ing along/on the floor/in the mud(某物)拖在地板上/泥里;The defeated army～ed back from the front in complete disorder. 敗軍從前線潰逃回來。a bird～ing a broken wing 拖著斷翅的鳥;a child～ing a toy car 拖著玩具小汽車的小孩;An aeroplane flew across the sky～ing white vapour. 一架飛機拖著白色的蒸汽尾跡飛過天空。(sb) be～ing a toy cart on a string/clothes from the suitcase(某人)用繩子拖著一輛玩具車/把衣服從衣箱里拽出來;〖同〗drag，tow，draw，pull;〖反〗push;

(2)追蹤(follow the traces or scent of，as in hunting;track)[T+n，T+n+prep (to)]：A pack of wolves～ed the herd of reindeer. 一群狼追蹤一群馴鹿?！玜 criminal/a thief to his hide-out 跟蹤罪犯/賊到其藏匿的地方;〖同〗track，trace，follow，tail;〖反〗flee;

(4)無精打采地走(move or walk slowly and usu wearily，esp behind others)[I+prep (behind)，I+adv (along)，I+adv (along) prep (behind)]：(sb)～along behind one's parents/one's teachers(某人)慢吞吞地跟在父母/老師后面;～along behind the main force/others 無精打采地跟在主力部隊/其他人后面;The defeated soldiers～ed past me one by one. 打了敗仗的士兵一個一個垂頭喪氣地從我身邊走過。〖同〗follow，move;

(4)失利，落后(be losing in a contest)[I，I+prep (by/in)](通常用于prog)：be～ing badly in the opinion polls 民意測驗中大大失利;be～ing by two goals to one 以一比二落后;〖反〗lead;

(5)蔓延(生)(extend，grow over a surface，as a vine or plant)[I+prep]：roses/ivy～ing over the walls蔓生在墻壁上的玫瑰/常春藤;

trail away/off (v adv)說話聲逐漸變小(vi)：Her voice～ed off into silence. 她說話的聲音漸漸變小，最后一點也聽不到了。

→′trail-blazer n 開拓者，先驅(qū);′trail-blazing adj 帶頭的，打先鋒的;′trailer n 拖車;(美)(可供居住的)篷車;電影(視)的預(yù)告片;

【辨異】 1)trail與trace和track的區(qū)別見TRACE; 2)trail與drag、draw、pull、haul和tow的區(qū)別見DRAG。