Life-preserver
n. 救生用具
📖 牛津释义
life-preserver
n (US) life-jacket 救生衣.
🧩 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;
n. 保护者, 保存者, 防腐物, 防护物\\n[法] 保存者, 保管人, 保护人
🗣️ 情景例句
There are thirty-three thousand three hundred and thirty-three feathers on that bird's throat.
那只画眉鸟的喉咙上有三万三千三百三十片羽毛。
I did exercise last week.
我上星期做练习。
I'll try my best.
我尽力而为。