barrel antenna

例句：

1. 1. The new satellite dish uses a barrel antenna to receive signals from space.
   新卫星碟形天线使用桶形天线来接收来自太空的信号。
2. 2. The engineer designed the antenna for its unique shape and function.
   工程师为这种独特的形状和功能设计了天线。
3. 3.The barrel antenna is an effective way to collect radio waves from distant locations.
   桶形天线是一种有效的方式来从远处收集无线电波。