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
We met at the hospital.
我们在医院里见过。
My fever is gone,but I still have a cough.
我的发烧好了,但是我仍然患咳嗽。
In the first place, any scientific study requires that there be no preferential weighting of one or another of the items in the series it selects for its consideration.