Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
背心；运动背心；防护背心
先理解核心含义，再看它在真实句子里的用法。
背心；运动背心；防护背心
a sleeveless top or outer garment worn for a particular purpose, such as sport, safety, or identification
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。
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
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。
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。
Choose the next layer that will help you use vest with more confidence.
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Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.