相关单词近义词 vacillate 游移不定, swing 摇摆, fluctuate 波动, alternate 交替, undulate 波动的, waver 动摇, hesitate 犹豫, blow hot and cold 反复无常, dither 抖, equivocate 说模棱两可的话..., flap 拍打, vibrate (使)振动, hover 盘旋临近词oscillation, Oscar, oscillate freely, oscillate strength, oscillated spray line, oscillate in one's opinions, oscillated pipe sinking pile 返回 oscillates