參考答案:

The Great Wall is a wonder of the world. Now, millions of people journey to the Great Wall each year, making its most popular sites besieged by hordes of tourists during busy season. The Chinese have a long history of building walls, dating from the Warring State period. In history, about 20 walls were built, with the wall constructed during the Ming Dynasty being the longest, extending 6700km. China was the most technology advanced nation in the world then, so the wall was also the most sophisticated in structure. It was built to ward off the invasion of nomads from the north.

1.“長城是世界一大奇跡”翻譯為“the Great Wall is a wonder of the world”。奇跡在英語中一般用wonder。在最著名的the seven wonders of the world(世界七大奇跡)中，長城也是其中之一。

2.旺季 busy seasons旺季就是熱銷的季節，生意也就特別忙活，所以這里用“忙活的季節”來翻譯，可以體現出譯者的變通能力。淡季可相應翻譯為slack seasons。

3.成群結隊 hordes of touristsHorde大群人，還可譯成“a huge crowd/throng”。

4.現在，每年都有幾百萬人到長城游覽。在旺季，幾處最著名的景點總是讓成群結隊的游客擠得水泄不通。Now, millions of people journey to the Great Wall each year, making its most popular sites besieged by hordes of tourists during busy season.這里要用合句翻譯法，把原文中的第二句譯成第一句的伴隨狀語。即把原文中兩個有一定關系的簡單句合為一個句子，且句意不變。

5. 追溯 dating from常用來表示“追溯”的短語還有：date back to。