Punch signal
[计] 穿孔信号
🧩 词语组成解析
punch
[pʌn(t)ʃ]
vt. 用拳猛击;打孔;（用压穿器）穿孔，冲孔;用肘推;
n. 冲压机，冲床;打洞器;钻孔机;剪票铗;
vi. 用拳猛击;
punch=punct的变体,“点，变尖”→使变尖，朝着一点击打 → vt.用拳猛击 n.拳打
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
They're real watches. They tell you the time, don't they?
当然是"真的表"罗。会走也会报时，不是吗？
By the time we got there,the play had already begun.
等我们到那里，戏已经开始了。
He has been sick for three weeks.
他已经病了几周了。