n (1)膠(sticky substance used for sticking things together)[U]：stick the pictures into the book with～用膠把這些圖片粘到書里;
(2)口香糖(chewing-gum)[U]：chew～嚼口香糖;
(3)軟(橡皮)糖(hard transparent jelly-like sweet)[C](或gum-drop)：fruit～s 果味橡皮糖;
→′gummy adj 粘性的;涂有膠的;′gumboot n 長筒膠靴;′gum-tree n 橡膠樹;
vt 在……上面涂膠，(用膠)粘合(spread gum on the surface of sth;glue sth with gum)[T+n，T+n+prep (to/onto)，T+n+adv(down/(together)]：～a piece of paper cards/sb's suitcase 把紙粘到卡片上/把標簽粘到行李箱上;～down the flap of an envelope 把信封的封口粘上;False eyelashes are～med together. 假睫毛被粘在一起。
gum up the works 弄糟(砸)(infml)：He's really～med up the works with all his stupid ideas for improvements.他那些愚蠢的改革念頭真的把事情弄糟了。