用無(wú)線(xiàn)電的用法和樣例：
例句
-
軍官用無(wú)線(xiàn)電向士兵下達命令。
The officer communicated his orders to the men by radio. -
他們用無(wú)線(xiàn)電跟總部聯(lián)絡(luò )上了。
They made contact with headquarters by radio. -
他用無(wú)線(xiàn)電報把消息告訴我。
He sent me the news by wireless telegraph. -
警察用無(wú)線(xiàn)電通話(huà)。
The police talked to each other by wireless.
