1. It sprouts featherlike crystals called surface hoar, the frozen equivalent of dew.
表面结出了羽毛一样的晶体 称为地霜 即结冰的露水
2. Surface hoar is just one of several types of weak layer that can form in the snow and they all trigger avalanches in the same way.
雪面白霜只是雪中形成的多种 脆弱雪层之一 但触发雪崩的原理是相同的