Density ratio
[计] 密度比
🧩 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
Can I speak to Betty?
我能跟Betty说话吗?
Would you be so kind as to lend me some money?
你能借我一点儿钱吗？
That's all!
就这样！