Since its introduction in 2009, the value of a Bitcoin has fluctuated from mere pennies to close to 1,000 U.S. dollars.

自2009年面世以来，比特币价便士涨到1000美元。

Fourth, you had wildly fluctuating emotions like a pendulum.

第四，你情绪如摆钟一样波动很大。

Their memory of it might fluctuate a little.

他们对这件事记忆可能有所差异。

At first opinions fluctuated, with one side gaining a slight advantage.

首先这些观点都是摇摆不定，总有一时不时占个小优势。

The current international situation is complex and fluctuating, and the international economy is sluggish.

“现有国际环境是复杂且不稳定，而国际经济疲软。”

In Poland, depressive symptoms fluctuated a little depending on birth month.

在波兰，随着出生月份不同，抑郁症状略有波动。

The prices of vegetables and fruits fluctuate with the seasons.

蔬菜和水果价格随季节而波动。

They've discovered that the population of caterpillars fluctuates dramatically.

他们发现毛毛虫数量会发生显著波动。

For the past year, I've been quietly trying to navigate my fluctuating weight and I've faced criticism in the past for talking about my body image.

过去年里，我体重一直反反复复，上下波动，因为我要面对外界对我身体形象评判。

Shampoo makers adjust their formulas because water quality fluctuates depending on where you live.

这是因为洗发水制造商会根据不同地区水质特点来调整他们。

What we mean by that is that the value can fluctuate wildly.

换句话说，它价波动幅度相大。

Yes, but they fluctuated considerably in July and August, reaching a peak of 6,200 per month in September.

是，但是在7、8月份销量波动很大，到9月份达到高峰，销量达6,200部。

Others say its area naturally fluctuates depending on the amount of rainfall at its borders and that a drought in the late 20th century only made it look like the Sahara had grown.

另一些人则认为，撒哈拉沙漠面积自然波动取决于其边界降雨量，而20世纪末一场干旱会让它看起来像是撒哈拉沙漠在扩张。

This fluctuating jobs number is directly tied to the unemployment rate, which measures how many workers in the labor force are unemployed and currently looking for work.

这一波动就业数字与失业率直接相关，失业率衡量是劳动力中有多少人失业，目前正在找工作。

Over the past 80 years the significance it has been accorded has fluctuated wildly.

在过去80年中，它被赋予重要性大起大落。

It is a story of wildly fluctuating fortunes, from stunning wealth to dire social disasters.

这个故事有关财富剧烈变动，惊人巨额财富到可怕社会灾难。

Because motivation fades, hype disappears, feelings fluctuate.

因为动力会消退，热度会冷却，情绪也会波动。

The common foodborne illness, like the flies, fluctuates with the seasons.

常见食源性疾病和苍蝇一样，会随季节变化。

So, the rate could fluctuate a little, depending on the amount given by the PBC?

因此，利率有可能会有些波动，这取决于中国人民银行规定利率？

Consumer spending, the goods and services people buy, that fluctuates throughout the year.

消费支出，即人们购买商品和服务，全年都在波动。