B-y signal
[电] B-Y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
and I have a production meeting at four.
我四点钟有个生产会议。
The electrician wears rubber shoes on the job.
电工在工作中穿着绝缘鞋。
It usually comes in February or March. Summer is often very hot.
通常在2月或3月开始。夏天很热。