名词
中文翻译：门
同义词：
['air vent', 'airway']
例句：
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1.The air door is designed to allow fresh air to enter the room.
这个空气门设计用来让新鲜空气进入房间。
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2.The air door was closed during the storm, preventing any ingress of rain.
风暴期间，这个空气门关闭了，防止雨水渗入。
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3. The air door is a crucial component in maintaining proper indoor air quality.
空气门是保持室内空气质量的关键部件。