1.变动;波动;上下浮动 If something fluctuates, it changes a lot in an irregular way.
fluctuation Don't worry about tiny fluctuations in your weight... 不要为体重的细微变化担心。 The calculations do not take into account any fluctuation in the share price. 这些计算没有考虑到股价的波动。
英英释义
1.be unstable
e.g. The stock market fluctuates
2.move or sway in a rising and falling or wavelike pattern
