gum
noun
verb
ɡʌm noun
1 your gums are the two areas of firm pink flesh at the top and bottom of your mouth, in which your teeth are fixed 齿龈,牙龈 C usually plural 一般用复数
2 CHEWING GUM 口香糖 U
3 a type of glue used to stick light things such as paper together [英] 黏胶 U | BrE
4 a sticky substance found in the stems of some trees 树胶 U
5 a GUM TREE 桉树,树胶树 C
6
by gum!
used to express surprise [口,过时] 哎哟!〔表示惊讶〕 spoken old-fashioned
verb
7 to stick things together using glue [英,过时] 〔用胶〕粘住;
gum sth to sth
A large label had been gummed to the back of the photograph.
照片的背后贴了一张大标签。
8 to prevent a machine from moving and working properly [非正式] 〔机器〕卡住; 使出故障
Dirt had got inside the watch and gummed up the works.
手表里进了污垢,把机件卡住了。