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
The Molinas are a large family.
Molina家是一个大家庭。
A little labour, much health.
适量劳动健身大有益。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.