Call-confirmation signal
[电] 呼叫证实讯号
🧩 词语组成解析
call
[kɔl]
v. 呼唤，喊叫;召唤，叫来，召集;下令，命令;打电话给;
n. 喊叫，大声喊;电话联络;必要，理由;要求;
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
It was very thoughtful of you to send flowers.
你送花来，想得真周到。
OK. That'll be $12.00, please.
到了。请付12美元。
Some children are coming out of the building.
一些孩子正从楼里出来。