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
Don't litter.
请不要乱扔东西。
If you consider that she's only been studying English a year, she speaks it very well.
你可以考虑到她那学一年的英语，她的英语说得非常好。
No, we must stay here and find our lunch.
“不，我们必须留在这儿并找到我们的午饭！”