名词
中文翻译：蛋壳
同义词：
['ovosphere', 'egg shell']
例句：
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1.The scientist analyzed the egg cortex to determine the age of the eggs.
科学家分析蛋壳来确定蛋的年龄。
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2. The egg cortex is a thin layer that protects the egg from external damage.
蛋壳是一层薄薄的保护层，保护蛋免受外部损伤。
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3.The egg cortex contains nutrients that are essential for the development of the embryo.
蛋壳含有对胚胎发育至关重要的营养物质。