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Protrusion
01
突出, 伸出
the act of extending beyond a surface
Example
The protrusion of the roots above the ground created a natural barrier for the path.
The protrusion of the pipes from the wall was unsightly and needed to be covered.
The architect discussed the protrusion of the building's upper floors, ensuring it would n't obstruct the view.
02
突出部分, 凸出物
anything that extends from a surface
Example
The sharp protrusion on the rock made it dangerous to climb.
There was a noticeable protrusion on the wall where the pipe had been installed incorrectly.
A small protrusion of metal was visible under the car, indicating a possible damage.
