| 释义 |
comb form 构词成分 of radiation or radioactivity 放射的; 辐射的; 放射性的:
radioactive *
radiologist *
radio-therapy.
radio 1
[/ˈreɪdɪəu; ˋredɪˏo/] n (pl ~s)用法:
1 [U] process of sending and receiving messages, etc by electromagnetic waves without a connecting wire 无线电传送:
contact a ship at sea by radio 用无线电与海上的船只联络 *
[attrib 作定语] `radio waves, communi`cations 无线电波、 无线电通讯 *
a radio `telephone 无线电话. 用法:
2 [C] (a) (also `radio set) apparatus, eg on ships or planes, for sending and receiving messages in this way 无线电收发报机（如船只、 飞机等的）:
hear a gale warning on/over a ship's radio 在船上的无线电收发报机中听到大风警报 *
[attrib 作定语] a radio receiver, transmitter 无线电接收机、 发射机.
(b) (also dated 旧作 wireless) apparatus, eg in the house, for receiving sound broadcasting 无线电; 收音机:
a portable, transistor radio 便携式的、 晶体管的收音机. 用法:
3 (often 常作 the radio) [U, sing] sound broadcasting by this means 无线电广播:
I heard it on the radio. 我从无线电广播中听到了这消息. *
She always listens to the radio. 她经常听无线电广播. *
a play specially written for radio 专为无线电广播编写的剧本 *
Do you prefer radio or television? 你喜欢听广播, 还是喜欢看电视? *
[attrib 作定语] a radio programme, announcer, station 无线电广播节目、 播音员、 电台. radio 2
v (pt, pp radioed) [Ipr, Tn, Tn.pr, Tf, Dn.f, Dpr.f, Dpr.w, Dpr.t no passive 不用於被动语态] send a message by radio 用无线电发送讯息; 发报:
radio (to sb) for help 用无线电（向某人）呼救 *
radio (sb) one's position 用无线电告知（某人）自己的位置 *
We radioed (to) headquarters that we were in trouble. 我们向大本营发报, 说我们遇到了困难. *
Radio to them to come/where we are. 用无线电通知他们前来[告知他们我们所在的地方]. |