名词
中文翻译：硬壳
同义词：
['cortical', 'osseous', "calcified例句：1. The fossilized bone is a remnant of the ancient animal's cornu cervi degelatinatum.（这个化石是古代动物的硬壳和骨质外壳的遗迹。）"]
例句：
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1. The fossilized bone is a remnant of the ancient animal's cornu cervi degelatinatum.
这个化石是古代动物的硬壳和骨质外壳的遗迹。
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2. The scientist studied the structure of the coral and its cornu cervi degelatinatum.
这位科学家研究了珊瑚的结构及其硬壳和骨质外壳。
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3. The dinosaur's cornu cervi degelatinatum was preserved in amber for millions of years.
恐龙的硬壳和骨质外壳在琥珀中被保存了数百万年。