gum

n. 樹膠、橡皮、橡皮糖、牙床、老天

vt. 塗以樹膠、用膠粘、使有粘性

vi. 分泌樹膠、發粘

學術名詞

樹膠：化學術語、紡織科技、測量學、電機工程、化學、電力工程
膠：機械工程、化學術語、高分子材料、礦冶工程、化學、食品科技
樹脂：機械工程、電機工程、航空太空、電力工程
橡皮：電機工程、電力工程
齦：食品科技、獸醫學
橡膠：機械工程
牙齦：醫學
齒齦：獸醫學

英文釋義

a preparation (usually made of sweetened chicle) for chewing
the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth
any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
cement consisting of a sticky substance that is used as an adhesive