With that many volcanoes, lava rock makes up 70% of the Venusian surface.

由于如此多火山，岩浆地表构成了70%的金星表面。

The Venusian surface would likely have cracks in the lava similar to these vents, where gases escape into the air stream.

金星表面有许多岩浆裂缝，和这些排期口相似，这些气体会逃逸到气流当中去。