Since most violent events on Earth occur randomly, nobody can predict when or where they will happen.
由于地球上大多数的暴力事件都是随机发生的，没有人能预测它们将在何时何地发生。
Earth is a target in a cosmic shooting gallery, subject to random violent events that were unsuspected a few decades ago.
地球是“宇宙射击场”中的一个靶子，容易随机遭遇各种猛烈的撞击事件，这在数十年前从未受到过怀疑。
The 1815 eruption of Indonesia's Tambora – one of the most violent ever recorded on Earth – led to a disastrously cold summer across much of the globe in 1816.
1815年印度尼西亚坦博拉火山爆发是有记录以来地球上最猛烈的火山爆发之一，也导致了1816年席卷大半个地球的灾难性的冷夏。
The winds of a tornado are the most violent and destructive ones on Earth. Any of you who have seen one knows very well how frightening and powerful they are.
龙卷风是世界上最猛烈最具摧毁性的风，你们中的任何一个如果见过它，就会十分了解它有多么令人害怕，多么的强大。
Scientists tell us that the world of nature is so small and interdependent that a butterfly flapping its wings in the Amazon rainforest can generate a violent storm on the other side of the earth.
科学家告诉我们，自然界是如此之小和相互依存，亚马孙雨林里一只蝴蝶扇动它的翅膀，就能在地球的另一面引起一场猛烈的风暴。
Earth is constantly being bombarded by radiation from the sun, as well as cosmic rays from distant but violent events, such as powerful supernovae.
地球时常被阳光辐射以及来自诸如强大超新星的宇宙射线，从远处不断地猛烈轰击。
Violent space weather can make electric systems stop working. It can block satellite signals to Earth. It can interfere with radio signals and air travel.
恶劣的太空天气会让电网瘫痪，让卫星信号无法传回地球。它还会干扰无线电信号和航空运输。
We propose that the future forecasting of the physical conditions that the violent solar disturbance causes at the earth by propagating in solar wind depends heavily on the numerical method.
未来预测太阳剧烈扰动所造成的行星际风暴到达地球空间的状态势必借助于数值方法。
Scientists tell us that the world of nature is so small and interdependent that a butterfly flapping its wings in the Amazon rainforest can generate a violent storm on the other side of the earth.
科学家告诉我们：自然界很小并相互依存，亚马逊雨林的一只蝴蝶扇动翅膀就能在地球的另一边造成一场猛烈的风暴。
Scientists tell us that the world of nature is so small and interdependent that a butterfly flapping its wings in the Amazon rainforest can generate a violent storm on the other side of the earth.
科学家告诉我们，自然世界非常小，而且高度相互依存。在亚马孙雨林的一只蝴蝶扇动翅膀就能够在地球另一边造成强烈风暴。
Scientists tell us that the world of nature is so small and interdependent that a butterfly flapping its wings in the Amazon rainforest can generate a violent storm on the other side of the earth.
科学家告诉我们，自然世界非常小，而且高度相互依存。在亚马孙雨林的一只蝴蝶扇动翅膀就能够在地球另一边造成强烈风暴。
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