Beacon decay
[电] 指标衰减
🧩 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
All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
A straw shows which way the wind blows.
一叶便知秋。
The temptation to steal is greater than ever before -- especially in large shops.
偷窃的诱惑力比以往任何时候都更强烈 -- 特别是在大的商店里。