gum的中文意思、音标与词形变化

n. 树胶, 橡皮, 橡皮糖, 牙床, 老天 vt. 涂以树胶, 用胶粘, 使有粘性 vi. 分泌树胶, 发粘

n. any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying v. cover, fill, fix or smear with or as if with gum v. become sticky v. exude or form gum