Yenan

例句：

1. 1. The Yan'an Revolutionary Base was a significant site in the Chinese Civil War.
   延安革命根据地是中国内战中的一个重要地点。
2. 2. The Yan'an Forum is an important platform for discussing China's development.
   延安论坛是讨论中国发展的重要平台。
3. 3. Many of the leaders of the Communist Party of China were born in Yan'an.
   中国共产党的许多领导人都出生在延安。