Two electrons brought closely together will fly apart.
两个紧紧聚合的电子会突然分开。
What will the boy do this morning? [A] Meet his dad at the airport. [B] Say good-bye to his dad at the airport. [C] Fly to another city together with his dad.
这道题问的是小男孩今天早上要做的事。 从选项中可知，他要去机场，可能是接机、送机，或者跟父亲一起乘飞机走。
What will the boy do this morning? [A] Meet his dad at the airport. [B] Say good-bye to his dad at the airport. [C] Fly to another city together with his dad.
这道题问的是小男孩今天早上要做的事。 从选项中可知，他要去机场，可能是接机、送机，或者跟父亲一起乘飞机走。
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