名词
中文翻译：半径门
同义词：
['circle gate', 'radiusdoor']
例句：
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1. Theengineer designed a radius gate to keep theanimals safe from predators.
工程师设计了一个半径门，以保护动物免受捕食者的伤害。
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2. The construction of the radius gatewas completed ahead of schedule.
半径门的建造提前完成了。
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3. The radius gate is used tocontrol the flow of traffic around the constructionsite.
半径门用于控制施工场地周围交通的流动。