Too great humidity is enervating, and not conducive to either mental or physical exertion; on the other hand, too dry air is equally harmful. 伯莎M.克拉克.科学通论.
The likelihood of rain or frost is often determined by temperature and humidity. 伯莎M.克拉克.科学通论.
Winds, temperature, and humidity all have a share in determining atmospheric conditions, and no one of these plays a small part. 伯莎M.克拉克.科学通论.
The measurement of humidity is of far wider importance than the mere forecasting of local weather conditions. 伯莎M.克拉克.科学通论.