moisture 美 [ˈmɔɪstʃɚ] n.水分;湿气;潮湿;

英文释义：

very small drops of water that are present in the air, on a surface or in a substance

双语例句：

Rainfall affects the moisture content of the atmosphere.

降雨会影响空气湿度。

When the soil is dry, more moisture is lost from the plant

土壤干燥时，植物会流失更多的水分。