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a straggler
straggler 指落在队伍后面的人，常与 a/an 连用。
A straggler appeared at the edge of the forest.
一个掉队者出现在森林边缘。
掉队者；游荡者
stragglers — plural of straggler
先理解核心含义，再看它在真实句子里的用法。
掉队者；游荡者
a person who strays or falls behind
A straggler appeared at the edge of the forest.
一个掉队者出现在森林边缘。
偏离正道或脱离同伴的人。
Someone who goes against the direct or proper course, or from the company to which they belong.
落在其他人后面的人,例如在比赛中。
One who falls behind the rest, for example in a race.
漫无目的地游荡的人。
One who roams without any settled direction.
在通常活动范围以外发现的迁徙动物。
A migratory animal found away from its usual range.
One straggler was still walking along the road after the marathon.
马拉松结束后，一名掉队者仍然沿着道路行走。
The teacher waited for the last stragglers to finish the exam before locking the door.
老师等着最后几个掉队的学生完成考试，然后锁上了门。
We kept walking and didn't notice the straggler until we reached the bus stop.
我们一直走着，直到到达公交车站才发现那个掉队的人。
straggler 指落在队伍后面的人，常与 a/an 连用。
A straggler appeared at the edge of the forest.
一个掉队者出现在森林边缘。
复数形式 stragglers 常与 the 连用，指整体中的掉队群体。
The stragglers finally reached the finish line.
掉队者们终于到达终点线。
from 后接队伍或群体，说明掉队者来自哪里。
Stragglers from the tour group were still looking at the exhibits.
旅游团里的掉队者还在看展品。
Not this
He always straggler behind the group.
Use this
He always straggles behind the group.
straggler 是名词，表示“掉队者”，不能直接作谓语；这里需要动词 straggle，且主语为第三人称单数，所以要加 -s 变成 straggles。
Not this
He is straggler in the race.
Use this
He is a straggler in the race.
straggler 是可数名词单数，前面需要不定冠词 a/an 来修饰，不能光秃秃地使用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
最后掉队的几个人
The last stragglers finally arrived at the campsite after dark.
最后掉队的几个人天黑后才终于到达露营地。
等待掉队者
The mountain guide stopped to wait for stragglers at each fork in the trail.
登山向导在小路上每个岔道口都停下来等待掉队者。
集合掉队者
The teacher rounded up the stragglers and hurried them onto the bus.
老师把掉队的学生集合起来，催他们上了公共汽车。
队伍中的掉队者
We waited for the stragglers from the group to catch up.
我们等着队伍中的掉队者赶上来。
一个孤零零的掉队者
A lone straggler was still walking along the empty highway.
一个孤零零的掉队者还在空荡荡的公路上走着。
Use stragglers naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记法：straggler 开头像 stray（走失），想象一只迷路掉队的动物独自落在队伍后面，就成了“掉队者”。
语域：mixed 常见场景：行军队列、户外远足、马拉松或长跑比赛 通常为中性，日常和书面均可使用；多用于描述队伍或人群中落在后面的人，也常见于军事、航海等正式语境，指未经许可擅自离队或离舰的人员。
真正与 straggler /ˈstræɡlə/ 押韵的是 haggler /ˈhæɡlə/。strangler /ˈstræŋɡlə/、wrangler /ˈræŋɡlə/、angler /ˈæŋɡlə/ 拼写相似，但含有 /ŋ/，不押韵；struggler /ˈstrʌɡlə/ 和 smuggler /ˈsmʌɡlə/ 元音为 /ʌ/，也不押韵。
Dictionary facts from ECDICT, WIKTIONARY.