名词
中文翻译：湿度比
同义词：
['moisture ratio', 'humidity level']
例句：
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1. The air is so dry that it feels like walking on a desert.
空气如此干燥，感觉像是走在沙漠上。
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2. The humidity ratio of the room is too high, causing discomfort.
房间的湿度比例过高，让人感到不适。
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3. The scientists found that the humidity ratio in the rainforest was significantly higher than in other areas.
科学家们发现雨林中的湿度比例显著高于其他地区。