单词	lacuna
释义	lacunala‧cu‧na /ləˈkuːnə/ noun (plural lacunae /-niː/ or lacunas) [countable] formal Word Origin WORD ORIGINlacuna Origin: 1600-1700 Latin ‘pool, hole in the ground, empty space’ Examples EXAMPLES FROM THE CORPUS Let us call this the structural lacuna of the intentional scenario. What I wish to suggest is that filling the structural lacuna makes structured talk without higher-order thought look much less likely. a place where something is missing in a piece of writing SYN  gap
随便看	Trades Union Congress trade surplus trade union trade unionism trade unionist trade wind trading trading estate trading partner trading post tradition traditional traditionalism traditionalist traditionally traduce Trafalgar, Cape Trafalgar Square Trafalgar, the Battle of traffic traffic calming traffic circle traffic cone traffic cop traffic court

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