長城英文介紹中英文對照(完整版)
【正文】 ons to defend their own borders. Qin Shi Huang conquered all opposing states and unified China in 221 BC, establishing the Qin Dynasty. To protect the empire against intrusions by the Xiongnu people from the north, he ordered the building of a new wall to connect the remaining fortifications along the empire39。為了避免匈奴人的入侵，他下沿著整個國家的北部邊界建立新的城墻，以連接殘留的防御工事。由石頭和磚塊砌成，這部分長城高 （ ）寬 5米（ ）。 The Great Wall is a maximum m (30 ft) wide, and is about the same color as the soil surrounding it. Based on the optics of resolving power, only an object of reasonable contrast to its surroundings which is 70 mi (110 km) or more in diameter would be visible to the unaided eye from the moon. The apparent width of the Great Wall from the moon is the same as that of a human hair viewed from 2 miles away. To see the wall from the moon would require spatial resolution 17,000 times better than normal vision. Unsurprisingly, no lunar
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