希腊字母表的第14个字母。

1. Xi'an is an ancient city full of treasures and saintly relics.

西安 是一个有很多宝藏和神圣的遗物的古老城市.

2. She played Xi'er in The White - Haired Girl.

她在《白毛女》里饰喜儿.

3. RESULTS: Sixteen perlolyrine analogues were synthsized ( I ～ XVI ). Of them, 8 compounds ( I, II , V ～ VII , IX , XI and XV ) were first reported.

结果: 合成了16个川芎哚的类似物 ( I～XVI ), 其中8个化合物 ( I, I, V～VI, IX, XI和XV ) 是新化合物.

4. The first stage of our journey to Xi'an will be the flight from Dalian to Beijing.

我们去 西安 的第一段路程将乘飞机从大连到北京.

5. Generally speaking, tourists should first visit cities like Beijing, Shanghai and Xi'an .

一般地说, 第一次到中国应当先到北京 、 上海、 西安 等地.