Most avalanches occur long before this happens.
大多数雪崩在这之前就发生了。
When avalanches occur, we need a swift reaction.
当雪崩发生的时候，我们需要迅速地作出反应。
OK, I will offer you a final real-life example: Avalanches.
好吧，我会提供给你最后一个真实的例子：雪崩。
So dangerous were the avalanches that skiing had to be stopped.
雪崩太危险了，所以滑雪不得不停止了。
There are threatening avalanches and ice falls that protect the mountain .
雪崩和落冰好象都在保护这山一样。
Protection equipment against avalanches. snow fence. design specifications.
防雪崩设备。防雪栅栏。设计规范。
Avalanches are among the biggest dangers in the mountains for both life and property.
雪崩是造成山区人们生命和财产安全的最大危险之一。
Avalanches are among the biggest dangers in the mountains for both life and property.
雪崩是造成山区人们生命和财产安全的最大危险之一。
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