That's really eye-opening news, since the Appalachian Mountain Range is, of course, thousands of kilometers to the east of the Grand Canyon.
这真是个让人大开眼界的消息，因为阿巴拉契亚山脉当然在大峡谷以东数千公里处。
Appalachian Mountains are an important mountain range in eastern North America.
阿巴拉契亚山脉是北美洲东部的主要山脉。
Appalachian Mountains are an important mountain range in eastern North America.
阿巴拉契亚山脉是北美洲东部的主要山脉。
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