minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton
rotifer的用法和樣例：
例句
用作名詞 (n.)
Progress in the study of rotifer resting eggs is reviewed. 綜述了近年來國內外對輪蟲休眠卵的研究概況。
Some of regulation and reasons for plankton distribution in rotifer cultivated ponds and importance in production management were discussed. 文中還討論了輪蟲浮游生物分佈的某些規律和成因及其在生產實踐中的意義。
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