Read Edit View history 排水孔 páishuǐkǒng drainage hole Origin Definitions Defs Strokes Stroke Words Sentences Sents 排水孔 páishuǐkǒng drainage hole A hole or passage used to drain away wastewater, rain, or other liquids; plughole. osculum A large opening in a sponge through which water is expelled Frequency Written text 0.113 per million Sources Frequency data BCC Corpus (BLCU)
排水孔 páishuǐkǒng drainage hole A hole or passage used to drain away wastewater, rain, or other liquids; plughole. osculum A large opening in a sponge through which water is expelled Frequency Written text 0.113 per million Sources Frequency data BCC Corpus (BLCU)