rockfall [ˈrɑ:kfɔ:l]

例句:

• Maria cannot forget that Dario was not due to work the shift when the rockfall happened.
  来自BBC
• The climbers sent two men up to investigate the rockfall.
  登山者派了两个人爬上去察看岩石坠落的情况.
  
• In China the road was a pristine strip of asphalt , scarred only by the occasional rockfall.
  在中国境内,这条公路是清一色的柏油路, 只是偶尔有山石滚落损坏了公路.
  
• The complicated geologic structure in Danbashan mountain sometimes resulted in landslide, mudflow and rockfall.
  大巴山区由于特殊的地质构造,滑坡 、 泥石流和崩塌等地质灾害时有发生.
  
• He left the mine just a few minutes before a rockfall blocked their exit.
  来自BBC
• Many of the miners' relatives came to the site as soon as they heard of the rockfall and set up camp at the minehead.
  来自BBC