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
Many students are working at part time jobs.
许多学生兼职打工。
We tried in vain to make him change his mind.
我们试图使他改变他的主意，但白费力气。
Annie was among the first to realize that blind people never know their hidden strength until they are treated like normal human beings.
盲人只有受到同正常人一样的待遇时，才能知道自己蕴藏的力量，安妮就是其中一位最先有此种认识的人。