home in on

vt. 遥控到(导向目标)

例句与用法：

Pop fans are homing in on the concert site from miles around.

流行歌曲的爱好者纷纷从四面八方向音乐会的举办地点聚集。

The torpedo homed in on its target.

鱼雷射向目标。

The plane homed in on the radio beacon.

飞机遵循导航台信号降落。