walkie talkie

例句：

1. 1. They used to use walkie-talkies to communicate during long flights.
   他们在长途飞行中曾经使用对讲机进行通信。
2. 2. The police used walkie-talkies to keep in touch with each other during the riots.
   警察在骚乱期间使用对讲机保持联系。
3. 3. The children enjoyed playing with their walkie-talkies and pretending to be secret agents.
   孩子们喜欢用他们的对讲机玩耍，假装自己是间谍。