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单词
personal flotation device
释义
WordReference Random House Unabridged Dictionary of American English © 2024
per
′
sonal flota
′
tion device′,
Naval Terms
a life preserver, life jacket, or other device for keeping a person afloat in the water: esp. in Coast Guard use.
Abbr.:
PFD
1970–75
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更新时间:2025/7/31 12:24:02