gumpn.<俚>笨蛋； 傻儿gumn.牙床；树胶；齿龈；粘性物质v.搞砸；用牙床嚼；以树胶粘合Gum-arabic阿拉伯胶gum acacetin阿拉伯树胶gum bleeding龈出血,牙龈出血gum-shieldn.护齿gum bletilla白及胶gum olibanum拜药:乳香的一种gum-diggern.采树胶的工人gum labdanum赖百当树脂gum blushing树脂发白gum together用胶粘合