dehydration

例句：

1. 1. The hot weather caused the man to become severely dehydrated.
   炎热的天气导致那名男子严重脱水。
2. 2.During a long hike, it's important to stay hydrated by drinking enough water.
   在长时间的徒步旅行中，保持水分充足是很重要的。
3. 3. The baby was dehydrated after being sick for several days.
   宝宝因为生病好几天而脱水了。