Blisters form, rupture, then crustover before healing.
然后出现水疱,水疱会破裂,结痂。
2
This contraction compressed the surface and thrust some sections of crustover others, creating long curving cliffs like the one shown here.
收缩挤压着表层使得部分地壳压在其余部分形成了这样长长而弯曲的悬崖。
3
Rain dampens surface fuels, but does little more than create a crustover a ground fire, which can burn beneath the surface for months and pop up later.