The canyon walls echoed back the shot.

峡谷的岩壁于枪声回响。

youdao

Finally, in about eleven hundred, they climbed down the canyon walls and began building cliff dwellings.

最后，大约在1100年，他们爬下峡谷，来到悬崖壁上，开始在悬崖壁建造崖居住所。

youdao

High-scalers were the men who climbed down ropes to jackhammer the sheer canyon walls so the concrete would stick.

高空作业者顺着绳子吊在半山腰，他们用手提钻在岩壁上打孔，使混凝土贴附得更牢固。

youdao

At sunset,when the sun has moved across the sky, the canyon walls give up their fiery reds and golds.

VOA: special.2009.10.07

The ancestral Pueblo people used stone tools to widen the small natural openings in the face of the canyon walls.

VOA: special.2010.07.05

They were suspended from ropes as they used heavy air-powered hammers to break any loose rock away from the face of the canyon walls.

VOA: special.2009.08.12

Plashings and gaspings of a sparse pack of astounded tourists echo off canyon walls.

WSJ: The Philippines's Strange Paradise

In the trade town of Scarport, buildings cling to canyon walls above canals of lava and provide shelter from the toxic volcanic atmosphere.

ENGADGET: Next 3DMark teased, who says benchmarks don't need trailers? (video)

Cruising down the river from one campsite to the next, looking up between oar strokes to ogle the canyon walls, is the outdoorsy equivalent of riding around a new city in an open-air tour bus.

WSJ: The Grand Canyon's Secret Network