Enable signal
[计] 启动信号, 允许信号
🧩 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
He studied harder to improve his English.
他更加努力提高英语水平。
Maybe we should hold off until we have covered item B on our agenda.
也许我们应该先谈论完B项议题。
You've got lots of old buildings in your country.
你们国家有许多古老的建筑物。