Visual signal
[电] 视觉讯号
🧩 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
I think I've had enough of that sandwich.
我想我已经吃够了三明治。
Would you like to arrange for a personal interview?
你想安排面谈吗？
Did you note the damage on the bill of lading?
你把损坏情形注明在提货凭单上了没？