单词	forepump
释义	forepump noun : a vacuum pump auxiliary to a more effective pump for which it supplies a first stage of exhaustion called also backing pump Word History Etymology fore- + pump
随便看	assessorships assest asset asset currency asset-stripping assets assets by descent assets en assets entre main assets in hand assets per descent assever asseverate asseverated asseverates asseverating asseveration asseverations asseverative assevered assevering assevers assez asshat asshats

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