名词
中文翻译：双壳纲动物的卵生幼体
同义词：
['amphipygous', 'amphipod', 'zoea']
例句：
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1.The amphicarpy of the frog is a larval stage that develops from eggs laid by the female.
青蛙的双壳纲动物幼体阶段是从雌性产下的卵发育而来的。
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2.In the amphicarpy stage, the larvae are covered in a protective layer of chitin.
在双壳纲动物幼体阶段，幼虫被一层甲壳覆盖。
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3. The amphicarpy of the crab is a molting stage where the adult shell is formed.
螃蟹的双壳纲动物幼体阶段是蜕皮期，此时形成成年壳。