快乐时光

例句：

1. 1. I am happy to see you again after a long time.
   很高兴在长时间后再次见到你。
2. 2. She felt happy when she received the winning ticket.
   她收到中奖彩票时感到很高兴。
3. 3. The children were happy playing in the park.
   孩子们在公园里玩耍时很开心。