1
dehydration of [something]
of 后接被脱水的对象。
Dehydration of the skin can cause cracking.
皮肤脱水会导致龟裂。
脱水
dehydrations — plural of dehydration
先理解核心含义，再看它在真实句子里的用法。
脱水
dryness resulting from the removal of water
Dehydration of the skin can cause cracking.
皮肤脱水会导致龟裂。
从某物中去除水分的行为或过程。
The act or process of removing water from something.
因水分流失导致的干燥
dryness resulting from the removal of water
体内水分降至正常水平以下的状态,通常由疾病、出汗或饮水不足引起。
The condition in which water in the body drops below normal levels, usually caused by illness, sweating or by not drinking enough.
体液的消耗
depletion of bodily fluids
During the long hike, we made frequent stops to drink water and avoid dehydration.
在长途徒步中，我们经常停下来喝水，以避免脱水。
Severe dehydration can make you feel dizzy, so remember to drink fluids.
严重脱水会让你感到头晕，所以记得补充水分。
Eating watermelon is a tasty way to help prevent dehydration in summer.
夏天吃西瓜是帮助防止脱水的可口方法。
of 后接被脱水的对象。
Dehydration of the skin can cause cracking.
皮肤脱水会导致龟裂。
suffer from 后接疾病或不适状态。
Many hikers suffered from dehydration.
许多徒步旅行者出现了脱水。
lead to 表示导致某一结果。
Vomiting can lead to dehydration.
呕吐可能导致脱水。
prevent 后接名词或动名词，表示预防。
Drink water before you feel thirsty to prevent dehydration.
在感到口渴前喝水，以防脱水。
Not this
He became dehydration after running a marathon.
Use this
He became dehydrated after running a marathon.
dehydration 是名词，表示‘脱水’这个状态或过程；描述人的身体状态应用形容词 dehydrated。中文‘脱水了’常被误当成形容词，英语中应搭配系动词成为 dehydrated。
Not this
Drink plenty of water to prevent from dehydration.
Use this
Drink plenty of water to prevent dehydration.
prevent 是及物动词，直接接宾语，不加介词 from；‘防止脱水’就是 prevent dehydration。学习者容易受 prevent somebody from doing 的搭配影响而多加 from。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
严重脱水
The patient was admitted to the hospital with severe dehydration.
这名患者因严重脱水被送往医院。
出现脱水
Many athletes suffer from dehydration after running a marathon.
许多运动员跑完马拉松后会出现脱水。
脱水症状
Drink water if you notice dehydration symptoms.
如果你注意到脱水症状，请喝水。
预防脱水
It is important to drink enough water to prevent dehydration.
喝足够的水以预防脱水是很重要的。
导致脱水
The illness caused dehydration and required treatment.
这种疾病导致了脱水，需要治疗。
发生脱水
Dehydration occurs when the body loses more water than it takes in.
当身体流失的水分多于摄入时，就会发生脱水。
Use dehydrations naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记住：汗流浃背却不喝水，身体像被拧干的毛巾——dehydration 就是脱水。
语域：neutral 常见场景：medical reports、health education、everyday health talk dehydration 是比较正式、中性的词，常用于医疗、健康和科普语境；日常口语中如果只是说“渴了”或“没喝水”，不一定总用这个词。
这些词中，hydration、nation、vacation、location、duration 的结尾都读 /eɪʃən/，与 dehydration 的 /dreɪʃən/ 押韵（从重读元音起均为 /eɪʃən/）。注意 ration 虽然也以 -ation 结尾，但读作 /ˈræʃən/，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.