用perforate造句子，“perforate”造句

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.

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.