形容词
中文翻译:凹陷的
同义词:
['concave', 'indented']
例句:
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1. The car's back is concave, making it easy to fit in the trunk.
这辆车的后部是凹陷的,很容易放进后备箱。
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2. The rock is indented with deep grooves.
这块岩石上有深深的凹槽。
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3. The book has a concave cover that makes it easy to carry.
这本书有一个凹陷的封面,便于携带。