Vision signal
[计] 视觉信号, 视频信号
🧩 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
I think I'm falling asleep.
我想我要睡着了。
We want to purchase Chinese tea. Please send us your best offer by fax indicating origin packing, quantity available and the earliest time of shipment.
我们欲购中国茶。请用电传给我们报最好价，并说明产地、包装、可供数量及最早发货日期。
You forget that I was a medical student once upon a time.'
你忘了我以前是学医的了。”