Radio marker beacon
[电] 无线电指标
🧩 词语组成解析
marker
[mɑ:kə;'mɑ:kə,mɑ:kə]
n. 标识，标记;记号笔，阅卷人;防守队员;特征;
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
Hello, it's a pleasure to meet you.
你好， 很高兴见到你。
I'm busy!
我在忙啦！
But there was no time to think.All her other friends were now outside the door.
但来不及去想了。其余的朋友现在也全都到门外了。