Effective ratio
[化] 有效比
🧩 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
ratio
['reiʃiəu]
n. 比，比率;比例;系数;
vt. 求出比值，除，使…成比例;将（相片）按比例放大[缩小];
🗣️ 情景例句
Look here! I've had enough of that!
嘿，我已经受够了。
He who has health, has hope, and he who has hope, everything.
身体好就有希望，有希望就有一切。
He did not look up from his desk when I entered.
我进去的时候，他连头也没抬。