英汉词典

1. 口香糖
    Gum is a substance, usually tasting of mint, which you chew for a long time but do not swallow.

gum什么意思

2. 牙龈；齿龈；牙床
    Your gums are the areas of firm, pink flesh inside your mouth, which your teeth grow out of.

    e.g. The toothbrush gently removes plaque without damaging the gums.
           这种牙刷可以温和去除牙菌斑而不损伤齿龈。
    e.g. ...gum disease.
           牙龈病

3. 黏胶；黏合剂
    Gum is a type of glue that is used to stick two pieces of paper together.

    e.g. He was holding up a pound note that had been torn in half and stuck together with gum.
           他举着一张被撕成两半后又用胶粘在一起的一英镑的钞票。