diglottic

例句：

1. 1. The school has a large student body with a diverse range of languages spoken among the students.
   学校学生人数众多，语言种类多样。
2. 2. Many companies are adopting multilingual communication tools to improve their international business operations.
   许多公司正在采用多语种沟通工具来提高他们的国际业务运营。
3. 3. The government is promoting bilingual education programs to help children acquire two languages from an early age.
   政府正在推广双语教育项目，帮助儿童从早期就掌握两种语言。