plnat pit

例句：

1. 1. The child was soexcited to see the completed puzzle.
   孩子看到完成的拼图时非常兴奋。
2. 2. We spent hoursassembling the jigsaw puzzle together.
   我们花了几个小时一起组装拼图。
3. 3. The teacher explained how to solve thepuzzle step by step.
   老师一步一步地解释了如何解这个拼图。