unilingualdictionary

例句：

1. 1. The teacher is monolingual in English and Spanish.
   这位老师只会说英语和西班牙语。
2. 2. The book is written in a single language.
   这本书是用一种语言写的。
3. 3.The company has adopted a monolingual approach to its international expansion strategy.
   该公司采用单语策略来拓展其国际业务。