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vt. 击倒
n. 一季所伐的木材, 折缝
a. 凶猛的, 可怕的
fall的过去式

n. seam made by turning under or folding together and stitching the seamed materials to avoid rough edges
n. the act of felling something (as a tree)
v. cause to fall by or as if by delivering a blow
v. sew a seam by folding the edges

原型: fall 原型变体: pd 过去分词: felled 复数: fells 现在分词: felling 过去式: fell 第三人称单数: falls