protect notch

例句：

1. 1. The car hasa protective notch on the dashboardto prevent scratches.
   这辆车的仪表盘上有保护槽以防止刮伤。
2. 2. Thetool has a protective notch that keepsit from slipping out of your hand.
   这个工具有一个保护槽，防止它从你的手中滑落。
3. 3. The fence has a protectivenotch at the top to keepanimals from climbing over it.
   篱笆顶部有一个保护槽，以防止动物爬过它。