Signal symptom
[医] 先兆症状
🧩 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
How many people are there in your family?
您家有几口人？
Do you have a flight to New York departing at about 10 a.m. Next Monday?
你们有下周一大约下午10点起飞到纽约的班机吗？
That's all right.
别客气。