英语释义
1. a compound formed by the union of water with some other substance
2. to cause to take up or combine with water or the elements of water
3. to supply with ample fluid or moisture
hydrates and softens the skin
4. to become a hydrate
5. a substance that is formed when water combines with another substance
6. to add water or moisture to (something) to supply (something) with water
7. a compound (as Glauber's salt) formed by the union of water with some other substance