名词
中文翻译：产卵囊
同义词：
['ovary', 'egg sac', 'ovariole']
例句：
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1.The female bird lays eggs in the brood sac.
雌性鸟在产卵囊中产卵。
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2.She carefully removed the brood sac from her nest.
她小心翼翼地从巢穴中取出产卵囊。
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3.The brood sac is a protective structure for the eggs and larvae inside.
产卵囊是蛋和幼虫内部的保护结构。