gum 1

树胶；树脂

黏胶； 胶质物

橡皮糖

口香糖

gum 2

齿龈

（常与down, together连用）用树胶粘合

gum

齿龈, 树脂, 橡胶, 橡胶树, 口香糖, 香口胶, 泡泡糖

gum

1. a preparation (usually made of sweetened chicle) for chewing

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2. the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth

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(part-holonym) , , ,

(derivation)

3. any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying

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4. cement consisting of a sticky substance that is used as an adhesive

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5. wood or lumber from any of various gum trees especially the sweet gum

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(substance-holonym)

6. any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum

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(substance-meronym) gumwood

1. grind with the gums; chew without teeth and with great difficulty; "the old man had no teeth left and mumbled his food"

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(derivation)

2. exude or form gum; "these trees gum in the Spring"

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