单词	real number
释义	real number noun : a number that has no imaginary part the set of all real numbers comprises the rationals and the irrationals Word History First Known Use circa 1909, in the meaning defined above
随便看	8-foot stop 80 Ursae Majoris 800 number 800-pound gorilla 86 86'd 86es 86ing 8′ pitch 8′ stop 9-to-5 @ @ed @ing @s a a (fat) lot of good a (good) long while A and M a and r A and R a babe in arms a baculo a bad crowd a bad state of repair

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