一缕的英文：
(of smoke and so on) a wisp; a trail

参考例句：

A plume of smoke/steam
一缕烟[蒸汽

A length or curl of hair;a tress.
一缕头发；一束长发

A wisp of smoke is drifting from the chimney.
一缕烟从烟囱里飘出来。

A tuft of hair, especially a forelock
额前的一绺卷发一缕头发，尤指额发

On the boil sure enough: a plume of steam from the spout
水确实烧开了，壶里正冒着一缕状似羽毛的热气。

Or the wooing of a moonbeam by the June night, had in it a most magical sweet passion
或如夏夜之向明月吐诉衷曲，抒发着一缕摄人心魄的细细幽情。

(of smoke and so on) a wisp; a trail
一缕

Bits of smoke began to feather out from the top of the hill.
一缕一缕的烟开始从山顶飘散开来。

A wisp of smoke [cloud]
一缕烟[一小片云]

He breathed out a stream of cigarette smoke.
他吐出一缕烟。

wisp是什么意思：
n. 小把,小物体,纤细的东西
vt. 把…卷成一捆

(of smoke and so on) a wisp; a trail
一缕

A thread of smoke was wisping out of the funnel.
一缕清烟从烟囱里袅袅而上。

One little girl in particular moved like a wisp in the background
尤其有个小女孩，在人身后像一阵清风似地走动。

trail是什么意思：
v. 追踪；拖在后面；拖曳；落后于
n. 小径；足迹；踪迹；一缕，一股

There is a warm trail.
这是刚留下的新鲜痕迹。

The police trailed the thief.
警察跟踪小偷。

The children trailed behind their teacher.
孩子们跟在老师后面走。