Effective value
[计] 有效值\\n[化] 有效值
🧩 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
He had a great capacity for learning.
他的学习能力很强。
If I had had time,I would have called you.
如果我有时间，我就打电话给你了。
I like television very much.How much does it cost?
我非常喜欢这台电视机。请问它多少钱？