单词	pure imaginary
释义	pure imaginary noun : a complex number that is solely the product of a real number other than zero and the imaginary unit pure imaginary adjective Word History First Known Use 1947, in the meaning defined above
随便看	the boards the body politic the bomb the bonds of holy matrimony the book the boondocks the boonies the boot is on the other foot the border the bottle the bottom drops out the bottom drops/falls out the bottom falls out the bottom of the barrel the bourgeoisie the bowels the box the boy next door the boy/girl next door the boys the brass ring the brave the breadline the brink the briny

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