Identification beacon
[电] 鉴别指标
🧩 词语组成解析
beacon
['bikən]
n. 灯塔，信号浮标;烽火;指路明灯;警标，界标;
vt. 照亮，指引;为…设置信标;用灯指引;
vi. 像灯塔般照耀;
🗣️ 情景例句
there's a lot to do around the house,
这屋里有很多事可做，
I'm going to show him how to drive a car.
我正要指点他如何开车。
There is a boy in the water.
河里面有个男孩。