antenna ramosa

例句：

1. 1. The scientist usedan antenna to receive signals from the satellite.
   科学家使用天线接收来自卫星的信号。
2. 2. Theantenna was designed to pick up radio waves.
   天线被设计来接收无线电波。
3. 3. Theantenna is crucial for transmitting and receivingsignals.
   天线对于发送和接收信号至关重要。