这种教学观念和方法应该改变了。

This kind of teaching idea and the method should change.

youdao

观念改变是科学学习和教学的重要问题。

Conceptual change is an important field in science learning and teaching.

youdao

观念改变是科学学习和教学的重要问题。

Conceptual change is an important field in science learning and teaching.

youdao