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
Don't you see?
你不知道吗?
As relationships between the People's Republic of China and the United States strengthen more and more today.
随着当今中美两国关系的不断加强。
Great! Could you bring it to school tomorrow?
好极了！你明天能把它带到学校来吗？