projecting part

• 突出部分

projecting part的用法和样例：

例句

1. A projecting part, especially a nib.
   向前突出的部位，尤指笔尖
2. A projecting part of a larger piece that helps to provide traction, as on a tire or the sole of a boot.
   突缘，凸出部一件大物件上的突出部分，其有利于提供摩擦力，比如在轮胎上或鞋钉上