Definition: when you are sick Level: B2
我在船上会晕船，有时在飞机上也会。
I get motion ___sickness on a boat and sometimes on a plane, too.
简单的快乐和幸福会让你感觉良好，并远离任何疾病。
The simple joy and happiness will help you to feel in good shape and keep away any ___sickness.
如果你发烧了，那是生病的迹象。
If you have a fever, it's a sign of ___sickness.
