| 词汇 | broadcast |
| 词根词缀 | 词源： 1767, adj., in ref. to the spreading of seed, from broad + cast (v.). Fig. use is recorded from 1785. Modern media use began with radio (1922, adj. and noun). As a verb, recorded from 1813 in an agricultural sense, 1829 in a fig. sense, 1921 in ref. to radio. Broadcasting is recorded from 1922. 词根记忆： v. /n.广播(节目)The news about the broadened breadth is broadcast abroad.宽度加宽的消息被广播到国外. |
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