Vector signal
[计] 向量信号
🧩 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
What does John do?
John现在做什么事？
It took him a long time to make up his mind.
下决心花了他很长时间。
It's a friendly competition.
这是一场友谊赛。