scraper launching and receiving trap

例句：

1. 1. The carpenter used ascraper to smooth the wood surface.
   木匠使用刮刀来平滑木材表面。
2. 2. Thepainter used a scraper to remove thepaint from the wall.
   画家使用刮刀从墙上去除油漆。
3. 3. The gardener useda scraper to clear away the weeds in the flower bed.
   园丁使用刮刀清除花坛中的杂草。