tuning antenna

例句：

1. 1. The engineer tuned the antenna to get the best reception.
   工程师调整了天线，以获得最佳的接收效果。
2. 2. The new phone has a built-in tuning antenna for better signal strength.
   这款新手机内置了调谐天线，以增强信号强度。
3. 3. The radio station uses a tuning antenna to broadcast its signals over a wide area.
   该电台使用调谐天线在广阔区域内广播其信号。