They'll radio for instruction.是什么意思？

They'll radio for instruction.

他们要通过无线电去请示。

ll

abbr. lines （复数）线，land lines 陆线，load line 负载线，lectiones (Latin=readings) （拉丁语）知识；

例句
And to the bonny Bann banks forever I ll bid adieu.
我对神发誓,我永远都不会说再见.

radio

n. 无线电，收音机，无线电广播台，无线电收发报机；vt.& vi. 用无线电发送讯息，作无线电广播，用X射线拍照；

例句
...the radio aerials of taxis and cars.
出租车和轿车的无线电天线

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

instruction

n. 授课，教诲，传授的或获得的知识，课程，[计算机科学]指令；

例句
Two lawyers were told not to leave the building but no reason for this instruction was given.
两名律师被告知不得离开大楼,但对这一命令并没有提供任何理由。