Annam

例句：

1. 1. The book is about the history of Annam.
   这本书是关于安南历史的。
2. 2. The country was once under French colonial rule.
   这个国家曾经受到法国殖民统治。
3. 3. Annam is known for its beautiful beaches and lush forests.
   安南以其美丽的海滩和茂密的森林而闻名。