基本解释n.波动;起伏现象名词fluctuation的复数形式.同根派生 fluctuations相关词英汉例句用作名词 (n.)Fluctuations are spatial and temporal in character.这种波动的特点是空间性和瞬时性的。Turbulence or gusts produce velocity fluctuations.紊乱性或阵息性使速度产生波动。fluctuations更多例句