Signal voltage
[電] 訊號電壓
?? 詞語組成解析
signal
['s?gnl]
n. 信號，暗號;預兆，征象;動機;導火線;
vt. 向…發信號;用動作（手勢）示意;以信號告知;
vi. 發信號;
adj. 顯著的，優越的;暗號的，作信號用的;
sign記號，信號+al表名詞 → 信號
??? 情景例句
That's for a long distance call you make two nights ago.
這是你兩天前打的一個長途電話的費用。
Don't mind him.
別理他！
Well, I had been wrong, for I was now lost.
唉，實際我錯了，我現在迷路了。