n.航路信标
The plane homed in on the radio beacon. 飞机遵循导航台信号降落。
A beacon flamed out against the night sky. 灯塔在夜空衬托下闪亮。
This is a beacon to help aircraft discover their position. 这个闪光灯是帮助飞机确定位置的。
The philosopher's thinking was the beacon to many young people. 那位哲人的思想曾是许多青年的指路明灯。
Plane F103 has homed in on the radio beacon. F103号飞机已按照无线电信号飞回基地了。