Gumu群(姓,日本)gumn.牙床；树胶；齿龈；粘性物质v.搞砸；用牙床嚼；以树胶粘合gum turpentine树胶精油gum guaiac test胶愈创木脂试验Gummata of yaws雅司病树胶肿gum hypertrophy齿龄增生gum pink rubber肉色树胶gummatous ulcer梅毒瘤性溃疡gum tree forest桉村林gummed handball胶胎手球gumming machine上胶机,粘贴机Gum of mandible下颌龈