名词
中文翻译：同心层
同义词：
['concentric layer', 'concentric band例句：1. The structure of theplant is characterized by its concentric layersof cells.（这种植物的结构特征是其细胞的同心层。）2. The concentric layers ofthe shell are made up of calcium carbonate.（贝壳的同心层由碳酸钙组成。）']
例句：
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1. The structure of theplant is characterized by its concentric layersof cells.
这种植物的结构特征是其细胞的同心层。
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2. The concentric layers ofthe shell are made up of calcium carbonate.
贝壳的同心层由碳酸钙组成。
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3.The concentric layers of the skin areresponsible for its ability to protect against infection.
皮肤的同心层负责其抵御感染的能力。