sloughn.泥坑；沼泽；沮丧的情况；(蛇等)蜕皮v.蜕皮；摆脱=sluff.slough podzol沼津灰壤Sloughed graft脱落的移植物sloughing bank坍岸slough sth off蜕皮sloughing shale膨胀性页岩sloughing ulcer坏疽性溃疡slough-tissue糜肉sloughy channel泥沼河道slough formation坍塌层sloughed filling脱纬