名词中文翻译1
中文翻译：Unknown
同义词：
['outer opening', 'external opening']
例句：
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1. The external aperture of the window is too small for a child to climb through.
窗户的外部开口太小，小孩爬不过去。
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2. The engineer designed the external aperture to allow easy access to the machinery.
工程师设计了外部开口，以便容易地进入机械装置。
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3. The external aperture of the door was blocked by a piece of debris.
门的外部开口被一块碎片堵住了。