单词	air plug
释义	air plug noun : a removable plug screwed into a watertight manhole or scuttle cover Word History First Known Use 1864, in the meaning defined above
随便看	defats defatted defatting default default (on) default on defaulted defaulted (on) defaulted on defaulter defaulters defaulting defaulting (on) defaulting on defaults defaults (on) defaults on defaunate defaunation DEFCON defeasance defeasances defeasibilities defeasibility defeasible

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