antenna iron tower

例句：

1. 1. The satellitehas a large antenna to receive signals from the ground.
   卫星有一个大型天线来接收来自地面的信号。
2. 2. The antenna is designed to pick up radio waves from far away.
   天线设计用来从远处接收无线电波。
3. 3.The antenna is essential for transmitting and receiving signals in this area.
   天线对于在这个区域内发送和接收信号至关重要。
4. 1. The iron tower was built to support the new bridge.
   这座铁塔是为了支撑新桥而建造的。
5. 2. The iron tower provides a safe place for birds to nest.
   这座铁塔为鸟类提供了一个安全的地方筑巢。
6. 3. The iron tower is an important landmark in the city.
   这座铁塔是这个城市的一个重要地标。