| 词汇 | fluctuate |
| 词根词缀 | 词源： 1630s, from L. fluctuat-, pp. stem of fluctuare "to undulate" (see fluctuation). Related: Fluctuated; fluctuates; fluctuating. 词根记忆： v. (使)波动;(使)起伏My weight fluctuates between 90 and 100 pounds.我的体重在90与100磅之间变动. 波动[fluctu=wave(波浪)] 词根词缀： fluctuatefluctuate 波动fluctu=wave (波浪) fluctuate 波动 |
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