英语翻译In earliest times,men considered lightning to be one of the great mysteries (神秘的事物) of nature.Some ancient peoples believed that lightning and thunder were the weapons (武器) of the gods.In reality,lightning is a flow of elect

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英语翻译Inearliesttimes,menconsideredlightningtobeoneofthegreatmysteries(神秘的事物)ofnature.Someancientpeopl

英语翻译In earliest times,men considered lightning to be one of the great mysteries (神秘的事物) of nature.Some ancient peoples believed that lightning and thunder were the weapons (武器) of the gods.In reality,lightning is a flow of elect
英语翻译
In earliest times,men considered lightning to be one of the great mysteries (神秘的事物) of nature.Some ancient peoples believed that lightning and thunder were the weapons (武器) of the gods.
In reality,lightning is a flow of electricity formed high above the earth.A single flash of lightning 1.6 kilometres long has enough electricity to light one million light bulbs (灯泡).Modern science has discovered that one stroke (闪击) of lightning has a voltage (电压) of more than 15 million volts (伏特).A flash of lightning between a cloud and the earth may be as long as 13 kilometers,and travel at a speed of 30 million meters per second.
Scientists judge that there are about 2,000 million flashes of lightning per year.Lightning hits the Empire State Building in New York City 30 to 48 times a year.In the United States alone it kills an average (平均数) of one person every day.
The American scientist and statesman,Benjamin Franklin,was the first to show the connection between electricity and lightning in 1752.In the same year he also built the first lightning rod (避雷针).This device (装置物) protects buildings from being damaged by lightning.
The safest place to be in case of an electrical storm is in a closed car.Outside,one should go to low ground and not get under tress.Also,one should stay out of water and away from metal fences.Inside a house,people should avoid open doorways and windows and not touch wires or metal things.

英语翻译In earliest times,men considered lightning to be one of the great mysteries (神秘的事物) of nature.Some ancient peoples believed that lightning and thunder were the weapons (武器) of the gods.In reality,lightning is a flow of elect
最开始,人们认为闪电是自然界最神秘的现象之一.一些古代的人们相信雷电是天上神明的武器.事实上,闪电是在高空形成的电力流.单单一次闪电,1.6公里长,有足够的电量点亮一百万个灯泡.现代科技已经发现一次闪击就会产生超过1500万伏的电压.云层和地面之间的一道闪电可能长达13公里,其光速以3000,0000 米/秒的速度传播.
科学家们判断,每年大约有20,0000,0000次的闪电.每年闪电都会击中（美国）纽约市的帝国大厦30到48次.就单单在美国,平均每天会有一人因为闪电而死亡.
美国的科学家和政治家——本杰明·富兰克林,是年第一个表明电力和闪电关系的人,那时候是在1752年.在同一年,他也造了第一个避雷针.这个装置可以保护建筑物以免被闪电击坏.
假如有场雷电交加的暴风雨,这时候最安全的地带就是封闭的汽车内.人如果在室外,就应该到低地处,并且不能呆在树下.同样,也该远离水源和金属围栏.如果在室内,应该避免打开门窗,远离电线和金属物件.

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在原始时期，人们把闪电看着是自然界最为神秘的事物之一；一些远古人认为闪电和雷是上天的武器。事实上，闪电是在地球上空形成的一种电流。唯一一道长1600米的闪电光，其拥有的能量足以使1百万只电灯泡发光。现代科学发现，一次闪电产生的电压超过1500万伏；在云层与地表间，一道闪电光可长达1万3千米，并以3千万米/秒的速度传播。
科学家们估计，每年大约有20亿道闪电光；每年位于纽约市的帝国大厦都会遭到30~40次的闪电击中；仅美国，平均每天就会有一人因此而死亡。
美国的科学家和政治家本杰明.富兰克林，在1752年首次指出了电与闪电之间的关系；同时他在那一年建造了第一个避雷针；这种装置能让房屋免遭雷击损坏。
在雷电暴风雨交加的情况下，最安全的地方就是一辆紧闭的轿车内；在户外，应去低处而不是树下，同时应避开水流及金属围栏；在室内，应关紧门窗，不要触摸电线及金属物品。

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科学家们判断，每年大约有20,0000,0000次的闪电。每年闪电都会击中（美国）纽约市的帝国大厦30到48次。就单单在美国，平均每天会有一人因为闪电而死亡。
美国的科学家和政治家——本杰明·富兰克林，是年第一个表明电力和闪电关系的人，那时候是在1752年。在同一年，他也造了第一个避雷针。这个装置可以保护建筑物以免被闪电击坏。
假如有场雷电交加的暴风雨，这时候最安全的地带就是封闭的...

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