high gain aerial

例句：

1. 1. The high-gain antenna is designed to receive signals from far away.
   高增益天线设计用来接收远处的信号。
2. 2.The high-gain antenna helps to improve the signal strength in urban areas.
   高增益天线有助于提高城市地区的信号强度。
3. 3.In order to communicate with other satellites, the high-gain antenna must be able to transmit and receive signals at high frequencies.
   为了与其他卫星通信，高增益天线必须能够传输和接收高频信号。