n.短波

I like to listen to shortwave radio because it allows me to hear international broadcasts.
我喜欢听短波收音机，因为它让我可以听到国际广播。
The shortwave signal was weak, but we managed to receive the message from overseas.
短波信号很弱，但我们设法接收到了来自海外的消息。
During World War II, shortwave radio played a significant role in spreading propaganda.
第二次世界大战期间，短波无线电在传播宣传方面发挥了重要作用。
Shortwave communication is often used by ships at sea for long-distance communication.
船舶在海上经常使用短波通信进行远距离通信。
It's amazing how clear the shortwave reception can be, even when the transmitter is thousands of miles away.
令人惊讶的是，即使发射机相距数千英里，短波接收效果仍然非常清晰。
The shortwave band is also popular among amateur radio enthusiasts who enjoy communicating with others around the world.
短波频段也受到业余无线电爱好者的欢迎，他们喜欢与世界各地的人交流。
The shortwave frequencies are less crowded than the medium wave and long wave bands, making them ideal for long-distance communication.
短波频率比中波和长波频带的拥挤程度要小，因此非常适合远距离通信。
Some people use shortwave radios to listen to pirate radio stations that broadcast without a license.
有些人使用短波收音机来收听没有执照就广播的海盗电台。
Shortwave signals can bounce off the ionosphere and travel great distances, which makes them useful for emergency communication.
短波信号可以反弹回电离层并传播到很远的地方，这使得它们在紧急通信中很有用。
The sound quality of shortwave radio can vary depending on atmospheric conditions and the strength of the signal.
短波收音机的声音质量会根据大气条件和信号强度而变化。