Along the Grand Canyon, the Colorado River supports more than 90 species of mammals, 300 species of birds, and 1,700 species of plants.

科罗拉多河流经的大峡谷沿线，90多种哺乳动物，300种鸟类，和1700种植物靠河流繁衍生息。

Here, as in the Grand Canyon, the Great Unconformity is plain to see.

在这里，就像在大峡谷中一样，大不 整合面一目了然。

I remained by the canyon for about half an hour, and I asked myself, " Is the Grand Canyon the greatest wonder of the natural world? "

我在大峡谷驻足了大约半个小时。我问自己，“科罗拉多大峡谷是世上最壮观的自然奇观吗？”

I remained by the canyon for about half an hour, and I asked myself, " Is the Grand Canyon the greatest wonder of the natural world? " I certainly know the answer.

我在峡谷呆了大约半个小时，我问自己：“大峡谷是自然界最伟大的奇观吗？”我当然知道答案。