Radio signal
[电] 无线电讯号
🧩 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
Exactly.
完全正确。
Cetainly.You're absolutely right about that.
当然，关于那你是绝对正确的
You must be more careful! That car nearly hit you.
你得多加小心！那辆小车差一点碰着你了。