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
Mr. Harrison, how nice to meet you again.
哈里森先生，真高兴再见到你。
Have you somewhat to do tomorrow,do it today.
明天如有事，今天就去做。
Have you slept well?
你睡得好吗？