核心词议:
vi. 波动;涨落;动摇
vt. 使波动;使动摇
fluctuate 基本解释
vi. 波动;涨落
vt. 使波动;使动摇
vt. 使波动;使动摇
速记方法
速记技巧 词源记忆法 来自拉丁fluere,流动,波动,词源同fluent.-ct,过去分词后缀。
知识扩展
词语辨析
fluctuate,sway,swing。 这组词都可以表示“前后、上下、来回摇摆”。它们的区别是:swing指一边或一头固定在某处而另一边或另一头成弧形摆动;fluctuate指没有规律地上下起伏、波动;sway指灵活或不稳定的东西缓慢地晃动。
fluctuate 变化形式
第三人称单数: fluctuates
过去式: fluctuated
过去分词: fluctuated
现在分词: fluctuating
过去式: fluctuated
过去分词: fluctuated
现在分词: fluctuating
中文词源: fluctuate 波动 来自拉丁fluere, 流动,波动,词源同fluent. -ct, 过去分词后缀。 fluctuate
精选例句
1、 My mood seems to fluctuate from day to day.
我的情绪似乎天天在变。
2、 The analysis reveals that intensity appears to fluctuate with a clear, well-defined rhythm.
分析表明,强度似乎以一种清晰的、明确的节奏在波动。
1、 Indeed, people tend to dip in and out of poverty, perhaps due to unexpected obstacles like losing a job, or when hours of a low-wage job fluctuate.
事实上,人们往往会陷入和摆脱贫困,这可能是由于失业等意想不到的障碍,或者当低薪工作的时间波动时。
常见考点例句:
- Hemcrete absorbs energy as external temperatures fluctuate .
- 当外部温度波动时hemcrete吸收能量。
- The numbers are expected to fluctuate during the next five years .
- 这些数据预计将在未来的五年中还要波动。
- In general , I 'd say it makes the bars fluctuate .
- 大体而言,这样做会让信号格数出现波动。
- Beijing has long promised to allow its currency to fluctuate more freely .
- 北京方面很早就承诺允许人民币更加自由的波动。
- That has caused global rare earths prices to fluctuate wildly and prompted concerns over supply .
- 此举导致国际稀土价格出现剧烈波动,市场也担心供应会出现问题。