“节疤”的英语？

瘤,''.'节疤'. ''凸饰环状突出或节状肿起, 如在一些动物角上的突起.A circular protuberance or knob like swelling, as on the horns of certain animals.这个桌子是长方形的,表面有一些树木的节疤.This table has a rectangular top with knots of wo...