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
How long has he held office?
他已任职多长时间了？
He felt his work was not as fulfilling as it could be.
他感觉他的工作并无法使他感到满足。
They look around ,but Li Mei did not wait for their thanks.
他们看看周围--但刘梅没有等他们感谢就走了。