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	smallholder smallholding small intestine smallish small-minded small-mindedness smallness small office/home office smallpox small print small-scale small screen small talk small-time small-timer small-town smarmy smart smart alec smart-arse smart arse smart bomb smartbook smart card smart drug

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