But once local governments agreed, the Bureau determined that Black Canyon's narrow gorge was best suited for an arch-gravity dam.

但，地方政府答应之后，垦务局便决定，狭窄的黑峡谷最适合盖重力拱坝。

Then it climbs swiftly through a narrow gorge beneath sheer towering cliffs hundreds of metres high, up on to the plateau above.

然后它迅速爬过数百米高的陡峭悬崖下方的狭窄峡谷，到达上方的高原。

Below the Falls, the foaming water mass squeezes its way through a narrow gorge, creating the Whirlpool Rapids, which you can get to, aboard a jet raft.

在瀑布下方，白浪激流顺着狭窄的峡谷蜿蜒而下，形成漩涡急流，可让人乘坐喷射汽艇享受乘风破浪的乐趣。

In passing through a narrow gorge, I once drove one ahead of me from rapid to rapid, disturbing him four times in quick succession where he could not very well fly past me on account of the narrowness of the channel.

过狭窄的峡谷时，有一次我把前面的一只从急急赶到急急，连续四次扰乱它，因为通道狭窄，它不能很好地从我身边飞过。