Related topics: Civil, Household, Motor vehicles, Mechanical
sump /sʌmp/ noun [countableC] 1. TECDHthe lowest part of a drainage system, where liquids or wastes remain 〔排水系统的〕集液池,污水坑
2. British EnglishBrETTCTEM the part of an engine that contains the supply of oil 〔发动机的〕油盘,集油槽 SYN American English oil pan