The author generalizes that transmit process of impact force in volley-unstable rock retaining wall is from unstable rock into rock-fall, dam, pile-plate and ground in this paper.

作者将危岩落石作用于拦石墙的传力机理概化为落石→堤→桩及板→地基的传力过程。

youdao

Computer simulations of this impact show that both of the objects would melt in the impact and the dense core of the impactor would fall as molten rock into the liquefied iron core of Earth.

对这次撞击的计算机模拟显示，这两个物体都会在撞击中熔化，而撞击者稠密的核心会以熔融岩石的形式落入地球的液化铁芯中。

youdao

A massive rock fall trapped the men as they operated a tunnelling machine.

那些男人在驾驶隧道掘进机时，一次大面积的岩崩困住了他们。

《柯林斯英汉双解大词典》

"The first time we visited this rock last fall - there were maybe one or two children out of 15 who knew how to climb up this."

VOA: standard.2010.06.25

The local authority said the road was covered by a further 50-tonne rock fall on Wednesday night.

BBC: Ironbridge Jiggers Bank road remains closed

In 1991, the year that Glen Hansard started The Frames, he also played Outspan, the baby-faced Dublin guitar player in "The Commitments, " a feature that has gained a global following. (It's one of my favorite films ever.) What makes "The Commitments" so widely loved is, among other pleasures, its use of a working-class rock band's rise and fall as an armature for individual drama.

WSJ: Film Review

At one point I stopped for a swig of water, and when I slapped at the whining mosquitoes that danced on my neck and hands, I slipped and slid over some tumbled pieces of rock, grabbed at branches to stop my fall, and landed just in front of a bas-relief of warriors, maidens and fish alive in stone.

BBC: Piecing together puzzles in Cambodia