内胎

內胎
nèitāi
inner tube (of a tire)

CEDICT

inner tube of a tyre

Wiktionary

装在外胎裡，带有气嘴的环形薄壁橡胶胎。灌入空气后可产生弹性，使轮胎保持正常形状，并与外胎共同承受负荷。

重編國語辭典

Entry Composition

1 内 nèi
  1. inside
  2. inner
  3. internal
  4. within
  5. interior
2 胎 tāi
  1. fetus
  2. classifier for litters (of puppies etc)
  3. padding (in clothing or bedding)
  4. womb carrying a fetus
  5. (fig.) origin
  6. source
  7. (loanword) tire

Related entries

里带 lǐdài inner tube (of tire)