短語(yǔ)詞組短語(yǔ)descending g colon 降結(jié)腸;下行結(jié)腸carcinoma of descending colon 降結(jié)腸癌area of descending colon 降結(jié)腸曲mesentery of descending colon 降結(jié)腸系膜sigmoid -descending colon junction 乙狀結(jié)腸降結(jié)腸交接処 返回 descending colon