| 单词 | fluctuate |
| 释义 | fluc·tu·ateAW BrE /ˈflʌktʃueɪt/ NAmE /ˈflʌktʃueɪt/ verb present simple - I / you / we / they fluctuateBrE /ˈflʌktʃueɪt/ NAmE /ˈflʌktʃueɪt/ present simple - he / she / it fluctuatesBrE /ˈflʌktʃueɪts/ NAmE /ˈflʌktʃueɪts/ past simple fluctuatedBrE /ˈflʌktʃueɪtɪd/ NAmE /ˈflʌktʃueɪtɪd/ past participle fluctuatedBrE /ˈflʌktʃueɪtɪd/ NAmE /ˈflʌktʃueɪtɪd/ -ing form fluctuatingBrE /ˈflʌktʃueɪtɪŋ/ NAmE /ˈflʌktʃueɪtɪŋ/ [I ]to change frequently in size , amount , quality , etc ., especially from one extreme to another （大小、数量、质量等）波动；（在…之间）起伏不定SYN vary◆ fluctuating prices 波动的价格◆ ~between A and B During the crisis , oil prices fluctuated between $20 and $40 a barrel . 在危机时期，每桶石油价格在 20 至 40 美元之间波动。◆ + adv ./prep .Temperatures can fluctuate by as much as 10 degrees . 温差可达 10 度之多。◆ My mood seems to fluctuate from day to day . 我的情绪似乎天天在变。boom , decline , dip , fluctuate , level off/out level , peak , plateau , plummet , slump , trend ▸ fluc·tu·ationAW BrE /ˌflʌktʃuˈeɪʃn/ NAmE /ˌflʌktʃuˈeɪʃn/ noun [C , U ]◆ ~ (in /of sth )wild fluctuations in interest rates 利率的疯狂波动 |
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