1、The radiophone can be used to communicate over long distances without the need for physical wires.
这种无线电电话可以在不需要物理线缆的情况下进行远距离通信。
2、She used a radiophone to call for help when her car broke down in the middle of nowhere.
她在车子在偏僻的地方抛锚时使用无线电电话呼叫帮助。