n. an angular or rounded shape made by foldingn. a geological process that causes a bend in a stratum of rockn. a folded part (as in skin or muscle)n. a pen for sheep
n. 折层, 折, 羊栏, 折痕, 信徒vt. 折叠, 包, 合拢, 交迭vi. 折叠起来, 彻底失败[计] 折叠; 合并