| 单词 | fluctuation |
| 释义 | fluctuation nounadjective | verb + fluctuation | fluctuation + verb | preposition adjective➤considerable, large, wide, wild相当大的／很大的／大范围的／剧烈的波动▸➤local, minor, small局部的／次要的／不大的波动▸➤rapid快速波动▸➤short-term短期波动▸➤cyclical, periodic, seasonal循环性／周期性／季节性波动◆seasonal fluctuations in the demand for fuel燃料需求的季节性波动➤annual, daily年度的／每日的波动▸➤random随机性波动➤climatic, hormonal, temperature气候／荷尔蒙／温度波动▸➤currency, economic, exchange-rate, market, price货币／经济／汇率／市场／价格波动verb + fluctuation➤cause, produce引起／产生波动◆factors which cause these exchange-rate fluctuations引起汇率波动的因素➤be subject to, experience易于／经历波动◆the number of students can be subject to considerable fluctuation.学生的数量可能会波动很大。fluctuation + verb➤occur波动出现◆the climatic fluctuations that have occurred over the last ten years过去 10 年出现的气候波动变化➤cause sth波动引起⋯preposition➤fluctuation in在⋯方面的波动◆there have been wide fluctuations in oil prices in recent years.近年来石油价格有大幅度波动。 fluctuation /flʌktʃueɪʃn/ noun [countable, uncountable] frequent changes in the size, amount, level, etc. of sth, especially from one extreme to another 波动；起伏◆we saw wild fluctuations in sales from week to week. 我们看到每周的销售量都起伏不定、差异巨大。⨁ day-to-day / monthly / seasonal / short-term / weekly fluctuations每日的／每月的／季节性的／短期的／每周的波动 ☞ fluctuationfluctuation /flʌktʃueɪʃn/ [countable, uncountable] (rather formal) frequent change in the size, amount, level or quality of sth, especially from one extreme to another（大小、数量、水平或质量上频繁剧烈的）波动◆the situation led to wild fluctuations in interest rates.这种情况导致了利率的大幅波动。◆recent ice-cap surveys reveal climatic fluctuation.近期对冰冠进行的考察揭示了气候的波动。☞ fluctuate fluc·tu·a·tion /ˏflʌktʃ`eʃən; ˌflʌktʃuˈeɪʃən/n [c]when something fluctuates 波动，涨落，起伏:◇plants are easily affected by fluctuations in temperature. 植物容易受气温波动的影响。 |
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