We often see these types of holes when a change is about to occur, " said planetary scientist Amy Simon-Miller of NASA."

我们经常在即将出现变化的时候发现这种类型的孔洞”。

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We often see these types of holes when a change is about to occur, " said planetary scientist Amy Simon-Miller of NASA."

我们经常在即将出现变化的时候发现这种类型的孔洞”。

youdao