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
Marilyn, you want coffee or tea? Marilyn
要咖啡还是茶?
Storms make trees take deeper roots.
风暴使树木深深扎根。
In the organization of industrial life the influence of the factory upon the physiological and mental state of the workers has been completely neglected.