| 释义 |
broadcast
I. \ˈ ̷ ̷ˌ ̷ ̷\ adjective
Etymology: broad (II) + cast, from past participle of cast (to throw)
1. : cast or scattered in all directions
< seed broadcast from the hand in sowing >
: widely diffused
2. : made public by means of radio or television
< the use of broadcast appeals to motorists to keep off the roads >
II. \ˈ ̷ ̷ˌ ̷ ̷\ noun
1. : a casting or scattering in all directions (as of seed from the hand in sowing)
2. : the act of making widely known : the act of spreading abroad
< in this time of … excessive broadcast of moralities — American Scholar >
specifically : the act of sending out sound or images by radio or television transmission especially for general reception
< the broadcast of court proceedings >
3. : a single radio or television program
< a weekly broadcast of world news >
< his first appearance in a broadcast >
III. verb
(broadcast also broadcasted ; broadcast also broadcasted ; broadcasting ; broadcasts)
transitive verb
1. : to scatter or sow (seed) broadcast
2. : to make widely known : disseminate or distribute widely or at random
< it's not really a secret but I wouldn't want it broadcast >
3. : to send out from a transmitting station (a radio or television program) for an unlimited number of receivers
intransitive verb
: to send out radio or television signals
< broadcasting on a frequency of 600 kilocycles >
: speak or perform on a broadcast program
< he has lectured and broadcast on many subjects >
Synonyms: see declare, strew
IV. adverb
: so as to scatter or be scattered in all directions (as of seed) : so as to spread widely; specifically : so as to reach by radio or television transmission the greatest possible number of receiving sets |