发笑

例句：

1. 1. He couldn't help but laugh at the absurdity of the situation.
   他忍不住笑了，因为那个情况太荒谬了。
2. 2. She laughed heartily at his joke.
   她开心地大笑他的笑话。
3. 3. The children were laughing and playing happily in the park.
   孩子们在公园里开心地笑着玩。