Trouble signal
[计] 故障信号
🧩 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
What number are you trying to dial?
你要的电话是什么号码？
First of all, I want to thank you all for coming to this party.
首先，我人感谢各位出度这次晚会。
Yes, my brother Bob is coming with me to the airport to see me off.
有，我兄弟鲍勃将和我一起到机场，送我上飞机。