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首頁英語詞典undulationundulation英英釋意

undulation

英 [,?ndj?'le???n] 美['?nd??'le??n]
  • n. 波動；起伏

英英釋意

1. an undulating curve
2. wave-like motion; a gentle rising and falling in the manner of waves
3. (physics) a movement up and down or back and forth