n. 波, 波浪, 波动, 起伏, 高潮, 潮涌, 挥手致意, (气压)突变

vi. 波动, 飘动, 挥手示意, 起伏

vt. 使波动, 使飘扬, 挥舞, 使成波浪形

n. one of a series of ridges that moves across the surface of a liquid (especially across a large body of water)

n. a movement like that of a sudden occurrence or increase in a specified phenomenon

n. (physics) a movement up and down or back and forth

n. something that rises rapidly