lathc

例句：

1. 1. She laughed at the joke and everyone joined in.
   她笑了这个笑话，大家都跟着笑。
2. 2. He couldn't stop laughing after hearing the funny story.
   他听了那个有趣的故事后忍不住笑了起来。
3. 3.The children were giggling with delight as they played together.
   孩子们在一起玩耍时开心地咯咯笑。