Y-signal
[电] Y形讯号
🧩 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
Where does it go?
放在哪儿？
One cannot eat one's cake and have it.
事难两全其美。
There's a customer, Tod. Will you serve him?
托德，顾客来了，你去照应一下好吗？