Directivity signal
[电] 择向讯号
🧩 词语组成解析
[计] 指向性, 方向性
signal
['sɪgnl]
n. 信号，暗号;预兆，征象;动机;导火线;
vt. 向…发信号;用动作（手势）示意;以信号告知;
vi. 发信号;
adj. 显著的，优越的;暗号的，作信号用的;
sign记号，信号+al表名词 → 信号
🗣️ 情景例句
I'd like to make an appointment with him.
我想跟他约个晤谈时间。
All things are difficult before they are easy.
凡事都是先难后易。
My holidays passed quickly, but I did not send cards to my friends.
假期过得真快，可我还没有给我的朋友们寄过一张明信片。