【飞渡范老师】托福每日一词(60):fluctuate

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20110312托福词汇考试杂谈 |
fluctuate 的意思是 波动,动摇,涨落
fluctuate 的名词是 fluctuation,这个词在不断 fluctuate 的经济学中应用得很多,如:
price fluctuation 价格波动
高中政治课上,我们都学过,当供应>需求时,价格就会下跌,当供应<需求时,价格就会上涨,因此就构成了价格波动曲线(Price Fluctuation Curves)
最近人民币(RMB)的对外汇率逐步看涨,相对而言,外国货币对人民币的兑换汇率便逐渐下降,这便是汇率波动(Exchange Rate Fluctuation)
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Definition of FLUCTUATE
intransitive verb
1
: to shift back and forth uncertainly
2
: to ebb and flow in waves
transitive verb
: to cause to fluctuate
Examples of FLUCTUATE
- His popularity has fluctuated during his term in office.
- In the desert, the temperature fluctuates dramatically.
Origin of FLUCTUATE
Latin fluctuatus, past participle of fluctuare, from fluctus flow, wave, from fluere — more at fluid
First Known Use: 1634
Related to FLUCTUATE
Synonyms: change, mutate, shift, snap, vary
Antonyms: plateau, stabilize
Related Words: metamorphose, morph, transmute; better, improve; deteriorate, worsen; turn around; seesaw, teeter, vacillate, waver
Rhymes with FLUCTUATE
abdicate, abnegate, abrogate, acclimate, acerbate, acetate, activate, actuate, acylate, adsorbate, advocate, adulate, adumbrate, aggravate, aggregate, agitate, allocate, altercate, ambulate, amputate, animate, annotate, annulate, antedate, antiquate, apartheid, apostate, approbate, arbitrate, arcuate, arrogate, aspirate