high altitude sickness

例句：

1. 1. People oftenexperience high altitude sickness when they climbto the top of a mountain.
   人们在爬山到山顶时经常会出现高山病。
2. 2. Thepilot was diagnosed with high altitude sicknessafter flying for several hours in the air.
   飞行员在飞行了几个小时后被诊断出患有高山病。
3. 3. During their hike,they encountered high altitude sickness due tothe thin air and low oxygen levels.
   在他们的徒步旅行中，由于空气稀薄和氧气水平低，他们遇到了高山病。