a/an + vest
vest 是可数名词,单数形式前通常要加冠词 a 或 an。
He put on a bright yellow vest before the race.
比赛前他穿上了一件亮黄色的背心。
马甲；西装背心；汗衫；贴身背心；法衣；祭服；服装；衣着；运动员或运动队成员穿的无袖上衣,通常带有识别颜色或标志。
a sleeveless top or outer garment worn for a particular purpose, such as sport, safety, or identification
运动员或运动队成员穿的无袖上衣,通常带有识别颜色或标志。
A sleeveless top, typically with identifying colours or logos, worn by an athlete or member of a sports team.
马甲
a man's sleeveless garment worn underneath a coat
任何用于识别、安全或储物等目的的无袖外衣。
Any sleeveless outer garment, often for a purpose such as identification, safety, or storage.
汗衫
a collarless men's undergarment for the upper part of the body
法衣。
A vestment.
一般服装；装束；衣着
Clothing generally; array; garb.
He wore a bright yellow vest while cycling on the busy road.
他在繁忙的马路上骑车时穿了一件亮黄色的背心。
用法提示：这里 vest 是名词，指用于安全识别的无袖背心。
The referee's black vest had a number printed on the back.
裁判的黑色背心背面印有号码。
用法提示：vest 作名词，指运动或工作场合穿的无袖上衣。
She put on a warm vest under her jacket for the winter hike.
冬季徒步时，她在夹克里面穿了一件保暖背心。
用法提示：vest 指穿在外套里面的无袖衣物，起保暖作用。
vest 是可数名词,单数形式前通常要加冠词 a 或 an。
He put on a bright yellow vest before the race.
比赛前他穿上了一件亮黄色的背心。
复数形式为 vests,可指多件背心,也可指多人各穿一件。
The workers all wore orange vests on the site.
工人们在工地上都穿着橙色的背心。
用 in a vest 描述某人当时的穿着,表示"穿着背心"。
The man in the black vest is our coach.
穿黑色马甲的那个男人是我们的教练。
grammar · medium
易错句子He is wearing vest.
正确表达He is wearing a vest.
vest 是可数名词，单数泛指时前面必须加不定冠词 a/an；汉语没有冠词，容易漏掉。
grammar · medium
易错句子She bought two vest at the store.
正确表达She bought two vests at the store.
vest 是可数名词，前面有 two 等大于一的数词时要用复数形式 vests；汉语名词通常不靠词形变化表示复数。
grammar · medium
易错句子He put his vest and went out.
正确表达He put his vest on and went out.
“穿上”英语用 put on，on 不能省略；单独用 put 时需要地点宾语。汉语“穿”不要求介词，容易漏掉 on。
防弹背心
The officer put on a bulletproof vest before entering the building.
那名警察进入大楼前穿上了防弹背心。
救生衣
Make sure your life vest is fastened before the boat leaves.
船开之前，请确保你的救生衣已经系好。
安全背心；反光背心
Every worker on the site must wear a safety vest.
工地上的每名工人都必须穿安全背心。
针织背心
He paired a sweater vest with a plain white shirt.
他用一件针织背心搭配了一件素白衬衫。
羽绒背心
She zipped up her down vest before stepping outside.
出门前，她拉上了羽绒背心的拉链。
跑步背心
This running vest has pockets for water bottles.
这件跑步背心带有装水瓶的口袋。
Choose the next layer that will help you use vest with more confidence.
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