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
That's nice. Length. Length?
太好了。身高 ，多高？
Sorry, She is out. Shall I take a message?
抱歉，她外出了，你要留口信吗？
'I don't know,' I answered, 'Tommy's been to the toilet three times this morning, but I haven't had any change yet!'
“我不知道”，我回答说，“今天上午汤米去了3次厕所了，但我还没看到硬币！”