They're all heading for Xian.

他们都是去西安。

I visited Xian a few months ago.

我几个月前访问了西安。

To buy a bus ticket to Xian.

我想买一张去西安的汽车票。

On May 4 he called me from Xian.

5月4日他从西安给我打来了电话.

Passengers for Xian change at Zhengzhou.

到西安的旅客在郑州换车。

The train which has just left is for Xian.

刚开的那列火车是去西安的。

Arrived in Xian, they made their way to Yanan.

到达西安后, 他们就动身前往延安.

When does the Japanese Youth delegation leave for Xian?

日本青年代表团什么时候去西安?。

JIAO Li - cheng . Theory of neural network system. Xian: Xian Electronic Sience & Technology University Press. 1995.

焦李成. 神经网络系统原理. 西安: 西安电子科技大学出版社, 1995.

It is the landmark of the ancient capital city - Xian.

大雁塔是古都西安的标志建筑。