appetite
/ˈæpɪtaɪt/noun
usu. in sing.
1- a natural desire to satisfy a bodily need, especially for food食欲; 满足人体需要的欲望：
he has a healthy appetite
他胃口很好
mass noun they suffered from loss of appetite.他们受食欲不振之苦。
1.1
- a strong desire or liking for something对…的渴望（或爱好）：
her appetite for life.
她对生活的热爱。
词源
Middle English: from Old French apetit （modern appétit）， from Latin appetitus 'desire for'， from appetere 'seek after'， from ad- 'to' + petere 'seek'.