noun🔗Share莫大な数、天文学的な数Any very large number, exceeding normal description."The national debt has risen to quadrillions of dollars, a number so vast it's hard to even imagine. "国家債務は莫大な数のドルにまで膨れ上がり、想像することさえ難しい数字です。numbermathamountChat with AIVocabulary GamePractice Reading
