Alerting signal
[计] 报警信号
🧩 词语组成解析
[计] 报警
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
with two or three other college friends.
邀两到三个其他的大学朋友一起。
Don't you think you've eaten enough?
你不是吃的很多了吗？
He reasoned with them, and tried to persuade them to set him free.
他跟这些人讲道理，试图说服他们把他放了。