Catalyst ratio
[建] 催化剂-油比率
🧩 词语组成解析
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
Please don't do it without asking.
未经允许请不要那么做。
He that has a great nose thinks everybody is speaking of it.
做贼心虚。
What does she have to do?
她得做什么？