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
My mother doesn't mind who comes to stay, she's very easy-going.
我母亲不在乎有什么人来往，她十分随和。
I'm afraid it won't be cold enough for a snowfall.
我恐怕天不会冷的下雪。
'Someone fired a shot through my office window.
“有人向我办公室窗户开了一枪。