Works of several historians reveal the moral compromises made by the nation's early leaders and the fragile nature of the country's infancy.

一些历史学家揭示了开国者们的道德妥协国家的不稳定性。

Innumerable women who staggered along under burdens, and children who toddled beside the wagons or peeped out from under the white coverings.

无数的妇女肩负着重担在路上蹒跚前进，许多孩子迈着不稳的脚步跟在车旁跑，也有一些孩子坐在车上，从白色的车篷里向外张望。

And that can contribute to genomic instability.

这会导致基因组的不稳定性。

If Lehman Brothers can fail, what could happen to all these other banks, these bigger banks, these better banks and others that are - - that - - that weren't as solid.

如果雷曼兄弟公司都会破产，那么其他银行该怎么办，那些更大的银行、更好的银行以及那些——更不稳固的银行。

The footing is shakier. There are fewer good vibrations. This fault in our world and is seismic fate make a trouble historic time and " plate" .

地基变得不稳，有益的震动少之又少。冠状病毒带来的断与地震制造了一个麻烦的历史时“板块”。

This same instability also enhances our frequency selectivity, for a given hair cell tends to oscillate best at the frequency at which it normally trembles when it's not being stimulated.

同样的不稳定性也能增强我们对频率的辨识度，因为某个毛细胞摆动的最佳频率，一般是它在不受刺激时自然抖动的频率。

The glider has no engine to fight turbulence they may encounter.

因为滑翔机没有发动机，所以不足以对抗可能遇到的波流不稳的情况。

First of all, it adds the instability of the ship.

首先，这增加了船只的不稳定性。

At this time, the building is structurally unsound, is posing a risk to responders.

目前，该建筑的结构不稳固，对救援人员构成了威胁。

But uncertainty over global economic growth muddied the waters.

然而，却让全球经济增长的不稳定性搅了局。

Scientists say part of southwestern Iceland could face decades of increased volcanic instability.

科学家表示，冰岛西南部的部分地区可能面临几十不断增加的火山不稳定性。

MJ reeled, as tears came to Ned's eyes.

MJ有些站立不稳，内德的眼里涌出泪水。

The instability of renewables doesn't just mean energy is often not produced at night, but also that solar and wind can overwhelm the grid during the day, forcing utilities to pay customers to use their electricity.

可再生能源的不稳定性不仅意味着夜间通常无法生产能源，而且太阳能风能可能会在白天压垮电网，迫使公用事业公司向客户支付电使用费。

This unusual scenario creates a stark temperature difference between the air inside the mesocyclone, and the air outside, building up a level of instability that allows a tornado to thrive.

这种特殊的情景使 “中气旋” 内外部的气体间产生了非常明显的温差，由此造成的更高一级的不稳定性使龙卷风更加猖狂。

Because of their instability, free radicals are on the hunt for more electrons and will take them from things like DNA, proteins, and fats—reacting with those molecules and damaging them in the process.

由于这些自由基的不稳定性，它们还会继续寻找更多电子，将它们 DNA、蛋白质脂肪一类的物质分离，与分子反应，逐步破坏分子。

Collectively, these scientists figured out how to harness volatile lithium to make a safe, efficient, and powerful energy storage technology.

在这几位科学家的共同努下，他们克服了锂离子的不稳定性，研制出了一种安全高效，强劲的电能存储技术。

The World Bank's fund for helping fragile states is called the Low-Income Country Under Stress fund; once countries stop being low-income, they no longer qualify as “under stress”, even if they are.

世界银行针对政权不稳的国家的援 助基金就叫做“困难低收入国家”援助基金。一旦该国家收入水平不再低，那他们就不属于“困难”国家，尽管他们依旧很困难。

In the town of Grindavik, some 50 kilometers away from the capital of Reykjavik, the ground has already split open in places because of the volatility under the Earth's crust.

在距离首都雷克雅末克约50公里的格林达维克镇，由于地壳下的不稳定性，地面已经裂开。

And Citigroup registered a profit of $3.5 billion, a fall of 27%. Given the volatile start to the year in markets, the results were not that surprising.

花旗集团实现利润35亿美元，下降了27%。鉴于市场今开局不稳，这样的结果并不令人惊讶。

Clapper argues in his book Facts and Fears that the expansion of economic inequality after the Cold War fueled what he calls " unpredictable instability" for many Americans.

克拉珀在其著作《事实与恐惧》中指出，冷战后经济不平等差距的扩大助长了他所谓的“无法预见的不稳定性”，而许多美国民众都受到了这一不稳定性的影响。