hydration
noun [ U ] uk/haɪˈdreɪ.ʃən/ us/haɪˈdreɪ.ʃən/
(身体)补水过程
the process of making your body absorb water or other liquid
Hydration is very important for athletes. 补水对运动员很重要。
hair care products for conditioning and hydration 养护头发补充水分的护发产品