Three commonly used modes, switch simple;

三个常用模式，切换简单；

youdao

This paper introduces the principles and three commonly-used modes of bilingual teaching.

介绍了双语教学的原则和双语教学的三种通用模式。

youdao

This paper introduces the principles and three commonly-used modes of bilingual teaching.

介绍了双语教学的原则和双语教学的三种通用模式。

youdao