英语单词：lifevest

音标: /ˈlaɪfˌvɛst/

意思：

lifevest 是指 救生衣，通常用于游泳、航海、飞机等场合，以保障人的安全，防止溺水。

翻译：

lifevest = 救生衣

读音：

life（/laɪf/）: 生活、生命

vest（/vɛst/）: 背心、马甲

用法：

A lifevest is required for every passenger on board the boat.
救生衣是每位乘客登船时的必需品。

Make sure your lifevest is properly fitted before getting into the water.
在下水前，请确保你的救生衣合身。

The airline handed out lifevests as part of the safety briefing.
航空公司在安全简报中发放了救生衣。

After the crash, the survivors used lifevests to stay afloat.
飞机坠毁后，幸存者用救生衣保持漂浮。

A lifevest is an essential safety item when traveling by sea.
救生衣是海上旅行的必备安全装备。

Lifevests are stored under the seats on the airplane.
救生衣储存在飞机座位下方。

Always check the condition of your lifevest before your journey.
在旅行前，总是检查你的救生衣的状况。

The lifeguard recommended wearing a lifevest while swimming in the lake.
救生员建议在湖里游泳时穿上救生衣。

It's a good idea to have an extra lifevest on a fishing boat.
在渔船上有多一件救生衣是个好主意。

The boat was equipped with enough lifevests for all passengers.
这艘船为所有乘客配备了足够的救生衣。

短语搭配：

wear a lifevest: 穿救生衣

put on a lifevest: 穿上救生衣

lifevest regulations: 救生衣规定

lifevest jacket: 救生衣夹克