概念转变是科学概念学习的关键。
Concept change is the key to the learning of science concept.
概念学习障碍是暂时的，通过一定方法是可以消除的。
The concept of learning disability is temporary, through a certain way it can be eliminated.
概念学习障碍是暂时的，通过一定方法是可以消除的。
The concept of learning disability is temporary, through a certain way it can be eliminated.
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