英语词汇opercula是什么意思，opercula的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	opercula
释义	US
随便看	plain folks plain folks plain food plain food plain gear plain glass plain goods plain grinder plain grinding machine plain high diving plain indexing plain invoice plain jane plain jolter plain knife plain knitting plain language plain language plain language telegram plain lift plain linoleum plain live rear axle plain mandrel plain miller plain milling

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