Fluctuate



GRE Barron TOEFL 考研

解释

GRE 红宝书

• v.波动; 变化
• ［英］ v.波动 ( undulate, as waves) ; 变化 ( to be continually changing)
• ［类］ 反义词: stabilize ( 使稳定) ; remain steady ( 保持稳定)
• ［记］ fluct ( =flu流动) +uate -> 波动, 变化
• ［例］ fluctuate between staying and leaving

Webster Collegiate

verb (-ated; -ating)

• Etymology: Latin fluctuatus, past participle of fluctuare, from fluctus flow, wave, from fluere — more at fluid
• Date: 1634
• intransitive verb
  • 1. to shift back and forth uncertainly
  • 2. to ebb and flow in waves
• transitive verb
  • to cause to fluctuate
• Synonyms: see swing
• ? fluctuation noun
• ? fluctuational adjective

---