Masking ratio (m.r.)
[化] 掩蔽比(金属络合物总浓度对游离金属离子浓度的比)
🧩 词语组成解析
[计] 屏蔽, 掩蔽, 掩模\\n[化] 掩蔽; 隐蔽
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
I need some help.
我需要帮助。
I ought to talk to him.
我应该和他商讨。
Sam and I had lunch together today. We went to a restaurant.
我和萨姆今天一起吃的午饭。我们去了一家饭店。