radio frequency无线电频率
on the radio在广播中
1.But the transmition from poor quality radios was slightly distorted and the accents of the Spanish speaking controllers was so strong that the pilots misunderstood a vital instruction.
但是质量很差的无线电信号有一点失真,而且说西班牙语的空管口音很重,导致飞行员误解了一条重要的指令。
4.The panels are used to recharge batteries for laptops, radios, and lighting.
太阳能面板也用于给笔记本电脑、无线电台和照明设备的电池充电。