名词
中文翻译：湿度计
同义词：
['humidity meter', 'hygrometer']
例句：
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1.The humidity in the room is too high, so we need to open a window.
房间里的湿度太高了，所以我们需要开窗。
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2.The hygrostat showed that the air was 70% humidity.
湿度计显示空气湿度为70%。
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3. The doctor used the hygrostat to monitor the patient's condition.
医生用湿度计来监测病人的状况。