什么是 broadcast?To transmit (a radio or television program) for public or general use.To send out or communicate, especially by radio or television: The agency broadcast an urgent appeal for medical supplies. To make known over a wide area: broadcast rumors. See Synonyms at announce.To sow (seed) over a wide area, especially by hand.To transmit a radio or television program for public or general use.To be on the air: The station begins broadcasting at 6 A.M. To participate in a radio or television program.To send a transmission or signal; transmit.Transmission of a radio or television program or signal for public use.A radio or television program: watched the morning news broadcast. The duration of such a program.The act of scattering seed.Communicated by means of television or radio.Of or relating to television or radio communications: broadcast journalism; the print and broadcast media. Widely known.Scattered over a wide area.In a scattered manner.