🧩 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
flag
[flæg]
n. 旗;旗帜;信号旗;菖蒲;
vt. 标示;
vi. 疲乏，变弱，热情衰减;
🗣️ 情景例句
What would you like to be doing two years from now?
两年后你希望自己在做什么？
Punctuality is the soul of business.
严守时间是办事情的重要原则。
they had escaped from the paper bag and had taken complete possession of the hall!
它们从纸袋里逃了出来，爬得满厅都是！