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
Are you sick?
你病了吗？
Now it is the child's turn to make a good home for his children.
现在轮到孩子们自己为其儿女建造美好的家庭了。
You are out of your mind.
你脑子有毛病！