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
In the section on culture,
在文化这部分，
Mr. Smith is still in his forties.
史密斯先生才四十几岁。
I hope you are well. Thank you for your last letter.
愿你身体健康。感谢你上次来信。