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
英文释义
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