Effective concentration
[化] 有效浓度
🧩 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
We've earned it. What do you say?
我们有这样做的权利。你说呢？
Love looks with telescope; envy with microscope.
爱情大处著眼，忌妒吹毛求疵。
Maybe we should hold off until we have covered item B on our agenda.
也许我们应该先谈论完B项议题。