Hydration is the work of giving a body — or a plant, or soil — enough water so it stays well. After sport, a coach talks about hydration: have you drunk enough? If you have not, you are dehydrated, which is the other side of the same idea.

HydrationHydration is the work of giving a body — or a plant, or soil — enough water是指讓身體、植物或土壤補充足夠水分的這件事，so it stays well好讓它維持健康。After sport運動完之後，a coach talks about hydration教練會談到hydration（補水）：have you drunk enough你有喝夠水嗎？If you have not如果沒有，you are dehydrated你就是dehydrated（脫水了），which is the other side of the same idea這是同一個概念的另一面。

Ads, bottles, and health class use the word a lot now; older everyday English more often just said “drink water.” Nurses still check a patient’s hydration in a careful, medical way.

Ads, bottles, and health class廣告、水瓶包裝和健康課use the word a lot now現在很常用這個字；older everyday English more often just said “drink water.”比較老派的日常英文以前通常只說『drink water（喝水）』。Nurses still check a patient’s hydration護理師仍然會檢查病人的hydration狀態in a careful, medical way用一種謹慎、醫療的方式。

Chemists also use hydration for a tighter meaning (water joining a chemical), but that is not this sense. Here it is about keeping someone or something healthy with water: a runner, skin, a cut flower in a vase.

Chemists also use hydration for a tighter meaning化學家也會用hydration來指一個更嚴格的意思（water joining a chemical水跟某種化學物質結合），but that is not this sense但那不是這裡講的這個意思。Here it is about keeping someone or something healthy with water這裡講的是用水讓某個人或某樣東西保持健康：a runner, skin, a cut flower in a vase像是跑者、皮膚，或花瓶裡剪下來的花。

The verb is hydrate; this word is the noun — the act or the state.

The verb is hydrate動詞是hydrate；this word is the noun這個字是名詞——the act or the state指這個動作或這個狀態。