drainageKK [ˋdrenədʒ] /ˈdɹeɪnədʒ/名詞1排水、疏水Poor drainage caused the field to flood after heavy rain.排水不良,使得那片田地在大雨後淹水。2排水系統、排水設施The old building's drainage needs to be replaced completely.這棟老建築的排水系統必須全部更換。3引流醫學The surgeon inserted a tube to allow drainage of the wound.外科醫師置入引流管,讓傷口的液體排出。4排出的水、污水Drainage from the factory polluted the nearby stream.工廠排出的污水污染了附近的溪流。