劍橋詞典a brand name for a soft , sticky substance that can be used more than once to temporarily attach light things to a wall or similar surface 寶貼萬用膠，藍(lán)丁膠 Helga stuck her posters up with Blu-Tack. 赫爾戈用寶貼萬用膠把她的海報貼了出來。 返回 Blu-Tack