perforate造句怎么写

The arrow is tipped with an iron arrowhead to perforate its target.

It's a huge, dusty base which sprawls across the southern plain, a short helicopter ride away from the caves that perforate the mountains along the Pakistani border.

The results point out: chronic dental pulpitis, with long-term symptoms, caused by deep caries, though do not perforate into pulps, there may be many living bacteria in their pulp tissues.

A toy might be harmlessly flushed out, but it might also perforate tissue, leading to bleeding or infection.

The Ascaris adults may perforate a suture line or cause a bile or pancreatic duct obstruction.

Orifices perforate the piston and allow fluid to leak through as the piston moves up and down in the pressure tube.