I signal
[电] I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
How was the patient?
病人怎么样了？
Know something of everything and everything of something.
既要有一般常识，又要有专业知识。
What a relief it was when the boulders suddenly disappeared, giving way to a stretch of plain where the only obstacles were clumps of bushes.
突然大石块不见了，前面是一片平地，唯一的障碍只有一簇簇灌木丛。这使我们长长地松了口气。