knowv.了解;知道;认识n.知情
knotn.结;节vi.打结vt.把 ... 打成结;系牢;捆扎
knotty log多节木
knotty ore瘤状矿石
knotty wood多节木料
knotty pinen.多结松木;多结松木
knotty tear不连续撕裂
knotty point难点, 困难的地方
knotty coding疑难编码
knotty gneiss瘤状片麻岩
knotty trouble疑难故障
knotty tearing曲折撕裂