“凹痕”造句

那些车辆一律都很破旧，锈迹斑斑，布满凹痕。
The vehicles are without exception old, rusty and dented.

他把金属板上的一些凹痕敲掉了.
He hammered out the dents in the metal sheet.

地毯上放过落地灯的地方有个凹痕.
There was a depression in the carpet where the lamp had stood.