The section east of Shanhaiguan that dips into Bohai Sea is called Laolongtou, which is the east start of the Great Wall.是什么意思_The section east of Shanhaiguan that dips into Bohai Sea is called Laolongtou, which is the east start of the Great Wall.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句