天线的英文缩写为antenna或aerial。

双语例句：

1、他们在屋顶上架起了电视天线。

They erected a television antenna on the roof.

2、收音机可以外接一根天线。

The radio may have an antenna attached to it.

3、我看这天线不太牢固。

The aerial doesn't look very secure to me.