名词
中文翻译：凹面壳
同义词：
['groove', 'grooved shell']
例句：
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1.The grooved shell of the ship is intricate and beautiful.
这艘船的凹面壳复杂而美丽。
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2. The grooved shell is a popular material for jewelry making.
凹面壳是制作珠宝的流行材料。
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3.The grooved shell has been used in many ancient artifacts.
凹面壳在许多古代文物中被使用。