It's over 2,000 years old and more than 4,500 miles long.
问题描述:
It's over 2,000 years old and more than 4,500 miles long.
答
它有4500多里长,2000多年历史。
答
这是超过两千年之久,超过4500英里长
答
它有将近200年的历史,长于4500米.