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
Hey, Xiao Li, are you doing anything this weekend?
嘿,小李,这个周末有没有什么事要做?
When poverty comes in at the door,love flies out of the window.
贫穷一进门,爱情跳窗走。
since her parents had impressed upon her that it would be unforgivable to miss it and cause the friends with whom she was going to stay to make two journeys to meet her.