The Great Wall thing north and southinterlock.It looks like a great dragon, surmounts lofty hills, passed throughthe boundless grassland, bridged over the vast desert, rushes to theboundless sea.

• 长城东西南北交错，它好像一条巨龙，翻越巍巍群山，穿过茫茫草原，跨过浩瀚的沙漠，奔向苍茫的大海。