Aural signal
[电] 耳听讯号
🧩 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
What do you think?
你觉得呢？
Deeds are fruits,words are but leaves.
行动是果实，言语只是叶子。
The hospital had been bombed and Hans had made his way back into Western Germany on foot.
医院遭到轰炸，汉斯步行回到了西德。