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
So I heard you're going to get married. Congratulations!
听说你快要结婚了，恭喜！
Women commonly live longer that men.
女性通常比男性长寿。
The lines of the animal had in fact been cut into the rock.
事实上，动物的线条被刻进岩石里。