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英语解释:to be farther forward than the rest of something

stick out from a surface
When a nail protrudes from a plank, it sticks out or projects from the plank. A person's eyes protrude if they appear to be sticking out of their face. A peg protrudes from a wall if it sticks out of the wall so that something can be hung on it. Nothing protrudes out of a neatly packed bag, as everything has been put inside the bag, and the bag can be neatly closed.