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
随便看	nitro powder nitro- nitroamine nitroaniline Nitrobacter Nitrobacteraceae nitrobacteres nitrobacteria nitrobacteriaceae nitrobacteriaceaes nitrobacterium nitrobacters nitrobarite nitrobenzene nitrobenzenes nitrocalcite nitrocalcites nitrocellulose nitrocelluloses nitrochloroforms nitrocotta nitrocotton nitrocottons nitroethane nitroform

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