Reference signal
[计] 参考信号, 引作信号, 基准信号
🧩 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
You were terrific!
真是太棒了！
He tries to button his own shirt,but he can't do it.
他试着扣好他的自己的衬衫，但是他不能做到。
It looks a bit like a deer. There's its head and there are its feet.
它看起来有点像鹿，那是鹿头，那是鹿脚。