hydrate
verb [ I or T ] uk/haɪˈdreɪt/ us/ˈhaɪ.dreɪt/
（身体）补充水分
to make your body absorb water or other liquid
oils that help hydrate your skin 帮助你的皮肤补水的油
Make sure you hydrate (= drink something) before you exercise. 锻炼之前一定要补水。
hydrate
noun [ C ] chemistry specialized uk/ˈhaɪ.dreɪt/ us/ˈhaɪ.dreɪt/
水合物，水化物
a chemical that contains water