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
Don't waste your breath trying to persuade them, they'll never listen.
别白费口舌规劝他们,他们不会听你的话。
Are you a native Chinese?
你是土生土长的中国人吗?
A parliamentary committee representing all political parties appoints a person who is suitably qualified to investigate private grievances against the State.