It could also hover down a cliff face to examine geological strata.

它还可以延着悬崖壁悬浮向下移动做地层检查。

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He was struggling to hold onto a rock on the face of the cliff.

他拼命挣扎着去抓悬崖壁上的一块岩石。

《柯林斯英汉双解大词典》

Behind me, in this beautiful bay, a lush cliff face sprouts 1,000 different shades of green.

在我身后这个美丽的海湾，郁郁葱葱的悬崖表面生长着深浅不一的绿色植物。

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Overhung by a cliff face studded with giant stalactites, the water is illuminated by a narrow strip of sunlight overhead.

BBC: Livin�� la vida Bonito

The specialist platform for the peregrine adults, set up by the Hawk and Owl Trust on the cathedral's spire in 2011, simulates a cliff face at 75m (246ft) high.

BBC: Norwich Cathedral peregrine falcon lays second egg

The monk was a caretaker at the Tiger's Lair, a sacred cave shrine perched high on the cliff-face of a granite mountain.

CNN: ASIANOW - TIME Asia