| 单词 | lifebuoy |
| 释义 | life·buoyBrE /ˈlaɪfbɔɪ/ NAmE /ˈlaɪfbɔɪ/ , also/ˈlaɪfbuːi/ noun a piece of material that floats well , used to rescue sb who has fallen into water , by keeping them above water 救生带；救生圈 |
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