(past broadcast; past participle broadcast 或broadcasted)with obj.
1
- （常作be broadcast）transmit (a programme or some information) by radio or television（无线电, 电视）广播, 播送, 播放（节目或某些信息）：
the announcement was broadcast live
这项声明被实况转播
as noun broadcasting the state monopoly on broadcasting.国家对广播的垄断。
1.1
- no obj. take part in a radio or television transmission参加（无线电或电视）节目：
they regularly broadcast on Radio.
他们定期参加无线电广播节目。
2
- tell (something) to many people; make widely known传播, 宣传：
we don't want to broadcast our unhappiness to the world.
我们不想把自己的不幸告知全世界。
3
- scatter (seeds) by hand or machine rather than placing by drills or rows播撒（种子）。
- a radio or television programme or transmission（无线电, 电视）节目; 播送。
- of or relating to such programmes（与）广播（或电视）节目（有关）的：
a broadcast journalist.
电台（或电视台）记者。
- by scattering四散地, 撒播地：
green manures can be sown broadcast or in rows.
绿肥可以散开播撒, 也可以一排排施放。
派生词
broadcaster
noun词源
mid 18th cent.（in the sense 'sown by scattering'）： from BROAD + the past participle of CAST1.