比如可用特制的针头，将痘坑下牵拉皮肤的疤痕组织分离。
Such as special needle, and will be available next pull blain hole of the skin of the scar tissue separation.
我设置了雨桶和渗透坑来收集从屋顶倾泻而下的数千加仑雨水。
I've set up rain barrels and infiltration pits to collect thousands of gallons of storm water cascading from my roof.
这张照片展示了某个极地陨坑，陨坑中还保存着一些夏季冰的痕迹，在风的作用下形成了一些美丽的沙丘。
This image shows part of a polar crater that still holds on to some summer ice, as well as beautiful sand dunes sculpted by the wind.
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