Science study
Why some of us feel ill in a car?
People who suffer from travel sickness feel uncomfortable and dizzy (眩晕的) when they travel in cars, boats or airplanes. Why is this?
According to Scientific American, travel sickness is the result of confusion (混乱) of the senses.
- 对本期电子报订户、有效期内的VIP教师会员和本学期高一尊享卡用户，我们开放所有内容：
- 如果您拥有以上权限，请点这里登录；
- 订阅电子报，请点这里；
- 激活VIP教师卡，请点这里；
- 激活21英语尊享卡，请点这里。
