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
We have to communicate with them more by sending lobbyists.
我们必须通过派遣更多的公关人员。
Do not count your chickens before they are hatched.
鸡蛋还未孵，先别数鸡雏；莫过早乐观。
I saw him playing football on the playground.
我看见他在操场上踢足球。