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
I'll see what I can do about it.
我会尽力而为的。
Following the dinner will be addresed by the candidate.
晚饭后将由候选人作演讲。
She always referred to them as 'the shifting population', for they came and went with such frequency that I never even got a chance to learn their names.