首页英语词典undulationundulation英英释意

undulation

英 [,ʌndjʊ'leɪʃən] 美['ʌndʒə'leʃən]

英英释义实用场景例句

n. 波动；起伏

英英释意

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