2--Yes,you are right. It covers 720，000 square metres.
 
1--There are so many rooms,too.
 
2--Yes. It is said that the Palace Museum contains 9，999 rooms.
 
1--9,999 rooms? I hardly believe it.
 
2--Do you know why it's called Forbidden city in ancient times？
 
1--No, I don't know.
 
2--Because it's "forbidden"to the common people.
 
1--So we are lucky now.
 
2--I think so.
 
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注解：
 
1.metres米
2.hardly几乎不   
3.forbidden禁止
 
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译文：
 
1--故宫太大了。
2--是的，你说对了，它占地72万平方米。
1--房间也很多。
2--是的。据说故宫有9 999个房间。
1--9 999 间?我真不敢相信。
2--你知道古代它为什么叫紫禁城吗?
1--不，我不知道。
2--因为它是“禁止”老百姓人内的。
1--所以我们现在很幸运。
2--我也这么认为。