名词
中文翻译:钙质外壳
同义词:
['钙壳、钙质层例句:1. The shell of the sea creature is made up of calcium carbonate.(这种海洋生物的外壳由碳酸钙组成。)']
例句:
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1. The shell of the sea creature is made up of calcium carbonate.
这种海洋生物的外壳由碳酸钙组成。
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2.The hard outer layer of the egg is made up of calcium phosphate.
鸡蛋硬的外层是由磷酸钙组成的。
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3. The calcium in milk helps to strengthen bones and teeth.
牛奶中的钙有助于强化骨骼和牙齿。