英语语法分析

Is anything worth seeing in Xi'an?

西安有什么值得一看的吗？

Have you ever been to the Terracotta Army in Xi'an?

你去过西安的兵马俑坑吗？

It's less than three hours' flight from Xi'an to Lhasa.

从西安到拉萨的飞行时间不到三个小时。