滾輪

滚轮
gǔnlún
  1. roller
  2. rotating dial
  3. (computer mouse) scroll wheel
  4. (road roller) drum

CEDICT

  1. roller
  2. rotating dial
  3. scroll wheel (on a mouse)

Wiktionary

  1. 旋轉圓柱體裝置
  2. 旋轉錶盤
  3. 滑鼠表面轉輪

維基詞典

Entry Composition

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