英 [treɪl] 美 [treɪl]
n. 痕迹，踪迹；（人或动物的）足迹，嗅迹；（乡间的）小路，小径；（特定）路线，路径；一系列（坏事或有害事件）；（尤指细长）一缕，一串；<美>滑雪坡，滑雪道，越野滑雪路线；电影或广播的预告片；（炮架的）架尾
v. 拖，拉；没精打采地走，拖沓地走；（在竞赛或选举中）落后，输；跟踪，追踪；蔓生，蔓延，被搁置；垂下；慢慢移动，缓缓流动；（声音，喇叭）渐弱；事先宣传，预告（影片，节目等）；喷注（泥釉）
【名】 （Trail）（美）特雷尔（人名）
复数trails
第三人称单数trails
现在分词trailing
过去式trailed
过去分词trailed
trail /treɪl/ CET4 TEM4 [ trailing trailed trails ]
可数名词 A trail is a rough path across open country or through forests. (乡间或林中的) 崎岖小路
He was following a trail through the trees.
他正沿着一条崎岖小路穿过树林。
可数名词 A trail is a route along a series of paths or roads, often one that has been planned and marked out for a particular purpose. (有特定目的的) 路线; 路径
...a large area of woodland with hiking and walking trails.
…有徒步旅行和散步路线的大片林区。
可数名词 A trail is a series of marks or other signs of movement or other activities left by someone or something. 痕迹
Everywhere in the house was a sticky trail of orange juice.
房子里到处都是粘乎乎的橙汁印迹。
及物动词 If you trail someone or something, you follow them secretly, often by finding the marks or signs that they have left. 跟踪
Two detectives were trailing him.
两个侦探正在跟踪他。
可数名词 You can refer to all the places that a politician visits in the period before an election as their campaign trail. (竞选巡回宣传) 路线
During a recent speech on the campaign trail, he was interrupted by hecklers.
在最近的一次竞选巡回演讲中，他被诘问者打断了。
及物动词/不及物动词 If you trail something or it trails, it hangs down loosely behind you as you move along. 拖
She came down the stairs slowly, trailing the coat behind her.
她慢慢地走下楼梯，身后拖着大衣。
习语 If you are on the trail of a person or thing, you are trying hard to find them or find out about them. 追踪
The police were hot on his trail.
警方正紧紧跟踪他。
a track or mark left by something that has passed
there as a trail of blood ; a tear left its trail on her cheek
a path or track roughly blazed through wild or hilly country
to lag or linger behind
同义词： drag / get behind / hang back / drop behind
go after with the intent to catch
同义词： chase / chase after / tail / tag / give chase / dog / go after / track
move, proceed, or walk draggingly or slowly
John trailed behind his class mates ; The Mercedes trailed behind the horse cart
同义词： shack
hang down so as to drag along the ground
The bride's veiled trailed along the ground
drag loosely along a surface; allow to sweep the ground
The toddler was trailing his pants
同义词： train
踪迹
痕迹
带尾
存底
痕迹
移迹
拖曳部
踪迹信息
退曳
肿瘤坏死因子相关凋亡诱导配体
肿瘤坏死因子相关凋亡诱导配体（TRAIL/APO2L）是一种自然发生、优先诱导癌细胞凋亡、对正常细胞没有毒性的抗癌药物。
明天上昼在成府路清华南门邻近,我走在辅路自行车道上(Trail)(刚从一个(A)小区出来,不行算违章(Violation)),由于左边路边(Roadside)是棵大树路猝然变窄,右边竟适值停了辆工程车在功课,只留了...
... C（可看作一轮弯月）hill（小山）——小山上的一轮弯月，想象一下，是不是能感受到一丝丝的凉意？ Trail轨迹；足迹；痕迹 T（她-他）rail（在铁轨）——他们在铁轨上，留下脚印两对半。 ...
肿瘤坏死因子相关的凋亡诱导配体(tumornecrosisfactorrelatedapoptosisinducingligand，TRAIL)作为TNF家族的新成员，对肿瘤细胞杀伤具有高度特异性，而对正常细胞无明显毒性，所以成为生物治疗领域的...
The trail starts just outside the town.
足迹从刚出城的地方开始。
He was following a trail through the trees.
他正沿着一条崎岖小路穿过树林。
The police were hot on his trail.
警方正紧紧跟踪他。
Today, Fort Union is preserved by the National Park Service as an outdoor museum on the Santa Fe Trail.
VOA : special.2009.03.30
They have got a lot of baseball fields over there. They have a big trail, like a big biking trail.
那儿有许多棒球场。那边也有个大跑道，看起来就像是一个大型的自行车道。
SpeakingMax英语口语达人 : 我的爱好是读书
and trail run instead of doing it on the street
在小路上跑，而不是在街上
SpeakingMax英语口语达人 : 喜欢加州
It also used the trail to take control of an area that is now New Mexico and part of California.
VOA : special.2009.03.30
The Santa Fe Trail began in the state of Missouri, the nineteenth century gateway to the wild and largely unexplored West.
VOA : special.2009.03.30
Cycling the Burke-Gilman Trail is a whole hog experience of Seattle, not just a shank.
If you build it (a trail and a cabin) then they (eager hikers) will come.
But advanced pedal-pushers often aim straight for the tough Top of the World Trail.