Pressure ratio
[机] 压力比
🧩 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
You're very generous.
你真慷慨。
You'll get hurt, if you don't watch out.
你不注意的话，就会受伤。
Where's Sally, Jack?
杰克，萨莉在哪儿？