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单词
air ring
释义
air ring
noun
:
an inflatable rubber ring used as a cushion to relieve pressure on prominent bony points (as in helping to prevent bedsores)
Word History
First Known Use
1895, in the meaning defined above
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planers
planes
planeshear
planeside
planesman
planesmen
planest
planet
planet differential
planet gear
planet wheel
planet-stricken
planet-struck
planetal
planetaria
planetarian
planetaries
planetarily
planetarium
planetariums
planetary
planetary configuration
planetary electron
planetary gear
planetary gearing
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更新时间:2025/3/27 10:03:30