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輪形動物
释义
輪形動物
lún xíng dòng wù
动物学上指常栖于池沼水草间,形极微小的浮游生物。体的前端有轮盘状物,密生纤毛且伸缩自如,用以游泳及摄食,常以尾端附著他物。雌雄异体。为鱼虾类的天然饵料。现在一般水产养殖业已大量人工培养。
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straight-shank rivet
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straight shooter
straight-shooter
straight shooters
straight-shooters
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更新时间:2025/11/24 5:19:57