名词
中文翻译：凸缘
同义词：
['bend', 'flange', 'edge', 'ridge', 'protrusion例句：1. The car has a flange on the back that helps it stay in place.（这辆车的后部有一个凸缘，有助于它保持固定。）']
例句：
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1. The car has a flange on the back that helps it stay in place.
这辆车的后部有一个凸缘，有助于它保持固定。
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2.The boat's flange is designed to keep it from sinking in the water.
船的凸缘设计用来防止它在水上沉没。
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3. The machine's flange is used to attach the parts together.
机器的凸缘用于将部件连接在一起。