名词
中文翻译：通风
同义词：
['air circulation', 'ventilation system', 'ventilation control']
例句：
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1. The hospital needs to improve its ventilation system to ensure patient safety.
医院需要改进其通风系统，以确保患者安全。
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2. The new building has a well-designed ventilation system that effectively reduces air pollution.
这座新建筑拥有一个设计精良的通风系统，有效地减少了空气污染。
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3. The engineers worked tirelessly to ensure the ventilation system was functioning properly before the construction began.
工程师们不懈努力，确保在施工开始前通风系统能够正常运行。