lifebelt

美 [ˈlaɪfbelt]英 [ˈlaɪfbelt]

复数： lifebelts

lifebelt

noun

救生圈
a large ring made of material that floats well, that is used to rescue sb who has fallen into water, to prevent them from drowning

（使人不下沉的）救生带
a special belt worn to help sb float in water

频次

1
N-COUNT 救生圈
A lifebelt is a large ring, usually made of a light substance such as cork, which someone who has fallen into deep water can use to float.

1

Here , put your lifebelt on .

穿上救生衣。
2

Lucy , for God 's sake , put on your lifebelt .

露西，穿上救生衣。
3

Madam , please put on a lifebelt . Get to the boat deck immediately .

穿救生衣，到救生艇甲板。