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life buoy

1 ENTRIES FOUND:
life buoy noun
plural life buoys
life buoy
noun
plural life buoys
Learner's definition of LIFE BUOY
[count]
: a ring-shaped device that floats in water and that is used to keep a person from drowning救生圈

life buoy

noun

: a ring-shaped life preserver

Word History

First Known Use

1783, in the meaning defined above

Time Traveler
The first known use of life buoy was in 1783

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