Effective voltage
[电] 有效电压
🧩 词语组成解析
effective
[ɪ'fɛktɪv]
adj. 有效的;起作用的;实际的，实在的;给人深刻印象;
n. [军]现役兵额，有生力量，精兵;
ef出+fect做，制作 +ive形容词后缀 →做出来的 → 有效的
🗣️ 情景例句
Speaking of school, how are your grades this term?
谈到学业，你这学期的成绩如何？
A friend in court is better than a penny in purse.
曩中有钱，不如朝中有友。
Those women are very hard-working.
那些姑娘很勤快。