单词	existential quantifier
释义	existential quantifier noun : a quantifier (such as for some in "for some x, 2x + 5 = 8") that asserts that there exists at least one value of a variable called also existential operator Word History First Known Use 1936, in the meaning defined above
随便看	trachle trachled trachles trachling trachoda Trachodon trachodons trachodont trachodontid trachodonts trachoma trachomas Trachomedusae trachomedusan trachuri Trachurus trachuruses trachurusses trachy- trachyandesite trachybasalt trachycarpous Trachycarpus trachychromatic Trachylina

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