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 have the whole summer ...
我有一整个暑假可以利用……
A road of a thousand miles begins with one step.
千里之行始于足下。
and of what had previously been wrong with his wife,
也不知道他妻子以前得的是什么病，