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| NOUN |
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| /gʌm/ |
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| 1 | C the firm pink flesh in your mouth that your teeth are fixed into 牙龈；齿龈 |
| Brushing regularly keeps your gums healthy. 经常刷牙能保持牙龈健康。 |
| gum disease 牙龈疾病 |
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| 2 | U chewing gum 一条口香糖 |
| a stick of gum 一条口香糖 |
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| 3 | C/U BRITISH a type of glue , used especially to stick paper （尤指粘贴纸张用的）胶 |
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| 4 | U a sticky substance that comes from some trees 树脂；树胶 |
| aromatic gum 芳香树胶 |
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| 5 | C a eucalyptus tree 橡胶树；桉树 |
| PHRASE |
| - | by gum old-fashioned
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| used for showing surprise or pleasure |
| 天哪（表示惊讶或欢喜） |
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