渗坑 Traditional form: 滲坑 Pinyin (reading): shènkēng Definitions: sewage pit Characters: 渗 - to seep, to permeate, to infiltrate 坑 - pit, hole; to trap, to bury; to harry Traditional characters: 滲 - to seep, to permeate, to infiltrate 坑 - pit, hole; to trap, to bury; to harry