U. S. scientists said Friday they have developed an on-off memory switch that helped laboratory rats remember a behavior that they had forgotten.

周五，美国科学家宣称业已研制出一种记忆开关，这一开关可以帮助实验鼠回想起已经忘记的举动。

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U. S. scientists said Friday they have developed an on-off memory switch that helped laboratory rats remember a behavior that they had forgotten.

周五，美国科学家宣称业已研制出一种记忆开关，这一开关可以帮助实验鼠回想起已经忘记的举动。

youdao