Well, the main driver behind this humid period is actually planetary in scale.

嗯，这个潮湿时期背后的主要驱动 力实际上是行星规模。

All in all, the African humid period ended quickly, at least in geological terms.

总而言之，非洲的潮湿时期 很快就结束了，至少在地质方面是这样。

But archaeologists have found proof that the humid period extended there, too.

但是考古学家发现了 潮湿时期也在那里延伸的证据。