Life-jacket
n. 救生衣（背心）
📖 牛津释义
life-jacket
n sleeveless jacket of buoyant or inflatable material used to keep afloat a person in danger of drowning 救生衣. =>illus 见插图.
🧩 词语组成解析
life
[laɪf]
n. 生活，生计;生命，性命;一生，寿命;人生，尘世;
jacket
['dʒækɪt]
n. 短上衣，夹克;土豆皮;书籍的护封;文件套，公文夹;
vt. 给…穿夹克;给…装护套;给…包上护封;〈口〉打;
🗣️ 情景例句
since ten this morning,
从今天上午十点起，
They've been divorced.
他们已离婚了。
I'm afraid I'm still not very good at it, though.
不过，恐怕我的汉语还是不够好。