/gʌm ||; gʌm/noun1 [C] either of the firm pink parts of your mouth that hold your teeth 齿龈;牙龈 ☞picture at body 见body插图
2 [U] a substance that you use to stick things together (especially pieces of paper) 胶(用来黏东西,尤其是纸张)
3 = CHEWING GUM ☞ Look at bubblegum. 参看bubblegum。