joyfull的用法和样例：
例句
- A state of joyful exuberance or merriment; vivacity.
快乐、活泼快乐或愉快的状态; 兴奋 - In a joyful, cheerful, or happy manner; merrily.
欢快地用快乐的、高兴的方式; 喜气洋洋地 - Feeling or causing joy; joyful.
感到高兴或使人高兴的; 高兴的，快乐的 - Imagine the joyful scene when they were reunited with their lost daughter.
他们与失散的女儿团聚，快乐的情景是可想而知的。
