M signal
[电] 单色信号
🧩 词语组成解析
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
Yes, indeed.
对， 没错。
A fool and his money are soon parted.
笨蛋难聚财。
Shortly afterwards, the police stopped the car and both men were arrested.
没过多久，警察就截住了那辆车，两个小偷都被抓住了。