单词	sump
释义	sumpsump /sʌmp/ noun [countable] Word Origin WORD ORIGINsump Origin: 1600-1700 sump ‘swamp’ (15-20 centuries), from Middle Dutch somp or Middle Low German sump ‘wet ground’ Examples EXAMPLES FROM THE CORPUS Downtown businesses operated sump pumps as the subsoil water level rose. Swapping valves from used tanks to fresh ones, thousands of feet into the sump, was neither easy nor desirable. The sump was the sole source of water for drinking and washing. The day we switched on the generator and the sump pump, everybody was standing there waiting, watching. The oil reservoir for the dry sump is mounted inside the gearbox to stop it cluttering the appearance of the bike. There is no way forward beyond; the sumps represent finality. This region contained the fuel sump tank. word sets WORD SETS► Civil aqueduct, nounbore, verbbore, nounborehole, nouncanalize, verbcivil engineering, nounculvert, noundam, noundam, verbdesalination, noundredge, verbdyke, nounpile, nounpile driver, nounpneumatic drill, nounpontoon, nounpontoon bridge, nounS-bend, nounsewer, nounsewerage, nounsteam shovel, nounstructural engineer, nounsump, nounsurveyor, nounwater main, nounwater tower, nounwaterworks, noun 1the lowest part of a drainage system, where liquids or wastes remain2British English the part of an engine that contains the supply of oil SYN oil pan American English
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