jocundity

1. An old locust is singing "LA, LA, and LA!" It is the last jocundity.& Yes, the winter is coming!
   一只老蚱蜢在唱着它的“啦啦啦”之歌，这是它最后的欢乐，&啊，冬季将要来临！
2. I can not but be happy in the jocundity of your company.
   有您的欢乐陪伴，我只能高兴。
3. Old people aspire after knowledge, jocundity, feat, and even love, just as an old tree drawn green, or an old tree adorned with flowers, may also be beautiful.
   老年人追求知识、兴趣、事业，甚至情爱，犹如老树抽青、老树著花一样美丽。

noun

1. a feeling facetious merriment

   Synonym:    jocularity