moisture

Desert plants like cacti are specialized to store moisture for long periods of drought.

(Chinese) 像仙人掌这样的沙漠植物专门负责在长期干旱期间储存水分。

Use a moisturizer to prevent your skin from losing its natural moisture in dry winter weather.

(Chinese) 在干燥的冬季，使用保湿霜防止皮肤流失天然水分。