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;
radi 表”射线,辐射,广播”
🗣️ 情景例句
My vacation was too short, I needed more time.
假期太短了,再有几天就好了。
I would like to call a carpenter to come this afternoon.
我要叫一个木匠今天下午来。
Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.