单词	radio frequency
释义	radio frequency noun : an electromagnetic wave frequency intermediate between audio frequencies and infrared frequencies used in radio and television transmission
随便看	tetrahedral angle tetrahedral coordination tetrahedral hypothesis tetrahedral kite tetrahedrally tetrahedrite tetrahedron tetrahexahedral tetrahexahedron tetrahydr tetrahydr- tetrahydrate tetrahydrate tetrahydrated tetrahydric tetrahydride tetrahydridoborate tetrahydro- tetrahydro tetrahydro tetrahydrobenzene tetrahydroborate tetrahydroborate tetrahydrocannabinol tetrahydrofuran

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