您要查找的是不是：
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Many heroic men and women have died in defense of liberty. 许多英勇的男男女女为捍卫自由而牺牲。
- Radio Beijing sends the news all over the world. 北京广播电台向全世界播送新闻。
- She petitioned her neighbor to turn down the radio. 她请求邻居把收音机关小点声。
- They've been plugging his new show on the radio. 他们一直在电台上宣传他的新节目。
- They had a dogged defense of the city. 他们对城市进行了顽强的防守。
- How much do you think this radio will sell for? 你认为这台收音机会卖多少钱？
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- I was able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- They are repairing the defense works. 他们正在修防御工程。
- The accused has the right to defense. 被告人有权获得辩护。
- The plane homed in on the radio beacon. 飞机遵循导航台信号降落。
- The radio relieves the monotony of everyday life. 收音机缓解了我们日常生活的单调状况。
- Don't you think the radio's a bit loud? 你觉得收音机的声音是不是太吵了点？
- ARPANET started by the US Dept. of Defense for research. 美国国防部建立了阿帕网，作研究用。
- I'm afraid this old radio is beyond repair. 恐怕这台旧收音机不能修了。
- She's on attachment to the Ministry of Defense. 她现在隶属于国防部。
- Bob tuned in his portable radio to a record show. 鲍伯收听手提收音机的唱片广播。
