形容词
1. Exercise will keep you youthful. 体育锻练会使你充满活力。
2. The boy looked very youthful. 这孩子看起来岁数很小。
3. Despite her age she still had a youthful body. 尽管她上了年纪,她的身体仍然富于青春活力。
4. He was full of youthful curiosity. 他充满了年轻人的好奇。