Safety signal
[化] 安全信号
🧩 词语组成解析
signal
['sɪgnl]
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
He doesn't want anybody picking him up.
他不愿意让别人接他。
Stay out of this matter, please.
请别管这事。
Their interest is listening to others.
他们的兴趣是听别人说话。