Instruction is a bilateral activity of teaching and learning.

教学是教和学的双边活动过程。

youdao

Teaching is a systematic engineering art, a bilateral activity based on cooperation.

教学是一种系统的工程艺术，是一种以合作为基础的双边活动。

youdao

Teaching is a bilateral activity, teachers can not replace the students to acquire knowledge, and teaching results ultimately depend on academic performance.

教学是双边活动，教员不能代替学员掌握知识，教学成果最终要取决于学员的学习成绩。

youdao

"He threatens with unilateral steps," "Do you think that settlement activity is bilateral?

VOA: standard.2009.11.16

Cyber cooperation should extend well beyond Europe, while anti-missile activity could mix bilateral and regional links.

FORBES: NATO's Lack Of Any Serious Purpose Means It Should Retire

In fact, it should be made clear that the certain consequence of continued North Korean nuclear activity will result in intensified bilateral military cooperation.

CENTERFORSECURITYPOLICY: Center For Security Policy

"Hampering the activity of German foundations could inflict lasting damage on bilateral relations, " a German diplomat told Spiegel Online.

BBC: Fears for NGOs in Russia as tax raids multiply