Protrusion
01
突出, 隆起
the act of extending beyond a surface
例子
The protrusion of the roots above the ground created a natural barrier for the path.
根部在地面上的突出为路径创造了一个天然屏障。
The protrusion of the pipes from the wall was unsightly and needed to be covered.
管道从墙上的突出很不美观，需要被覆盖。
02
突起, 突出物
anything that extends from a surface
例子
The sharp protrusion on the rock made it dangerous to climb.
岩石上尖锐的突起使得攀登变得危险。
There was a noticeable protrusion on the wall where the pipe had been installed incorrectly.
在管道安装不当的墙上有一个明显的凸起。
