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rehydration of [sth]
of 后接被重新补水的对象；该词在医学中也常译作“补液”或“补水”。
The rehydration of dried fruit is a simple process.
干果的再水化是一个简单的过程。
再水化；再水合
先理解核心含义，再看它在真实句子里的用法。
再水化；再水合
the action or process of rehydrating
The rehydration of dried fruit is a simple process.
干果的再水化是一个简单的过程。
补充因脱水而流失的水和电解质
The replenishment of water and electrolytes lost through dehydration.
After the long bike ride, she stopped for a drink to help with rehydration.
长途骑行后，她停下来喝点东西以帮助补充水分。
Rehydration is especially important when you spend a whole day in hot weather.
当你在炎热的天气里待上一整天时，补充水分尤其重要。
A sports drink can speed up rehydration, but plain water is usually enough.
运动饮料可以加速补水，但白开水通常就足够了。
of 后接被重新补水的对象；该词在医学中也常译作“补液”或“补水”。
The rehydration of dried fruit is a simple process.
干果的再水化是一个简单的过程。
for rehydration 表示目的，意为“为了补充水分”。
Runners often drink sports drinks for rehydration.
跑步者经常喝运动饮料来补水。
主语是需要补水的对象；need 和 require 后都可直接接 rehydration。
Patients with severe diarrhea require rehydration.
严重腹泻的患者需要补液。
Not this
After running, you should rehydration.
Use this
After running, you should rehydrate.
rehydration 是名词，不能直接作谓语动词；表示“补水”这个动作时，要用动词 rehydrate。
Not this
Rehydration to the body is important after diarrhea.
Use this
Rehydration of the body is important after diarrhea.
rehydration 是名词，表示“对……的再水化”时，对象要用介词 of 引出；用 to 会产生“朝向身体”的错误语义。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
口服补液疗法
Oral rehydration therapy is used to treat dehydration from diarrhea.
口服补液疗法用于治疗腹泻引起的脱水。
口服补液溶液
The doctor prescribed an oral rehydration solution for the patient.
医生给病人开了口服补液溶液。
静脉补液
Patients with severe dehydration may need intravenous rehydration.
严重脱水的患者可能需要静脉补液。
补液盐
Please mix the rehydration salts with clean water before drinking.
饮用前请将补液盐与干净的水混合。
再水化过程
The rehydration process should be gradual to avoid complications.
再水化过程应循序渐进，以避免并发症。
Use rehydration naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
re- 有“再次”之意，hydration 是“补水/水合”；脱水后重新补充水分，记住 re + hydration = 再水化。
语域：formal 常见场景：医学/临床、生理学、运动营养 rehydration 是较正式的专业词，通常用于医学、生理学或健康说明等书面语境；日常口语中较少单独使用，更常说 drink fluids 等。
拼写上都含 -ation。hydration、dehydration、nation、station、celebration 与 rehydration 押韵（结尾都读 /eɪʃən/ 或 /dreɪʃən/）。注意 ration 是形近异音词：它拼作 -ation，但读 /ˈræʃən/，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.