1.【动】(海绵等的)出水孔;(条虫等的)吸盘
1.an opening like a mouth, through which a sponge expels water
1.The mattress is equipped with an osculum (4) running from top to bottom and a defecation hole (6) positioned on the hip of the patient.
床垫设有上下贯通的排水孔(4)和位于病人臀部的排便孔(6)。
2.Osculum is in the ground, it is next catchment;
排水孔在地面,是下排水;