Backgear ratio
[机] 后列齿轮的齿数比
🧩 词语组成解析
[机] 后列齿轮
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
Don't cross that bridge till you come to it.
没到河边，先别操心怎么过桥。
I've got a terrible pain in my stomach.
我的胃很痛。
I've promised to take my pound of flesh.
我说过一定要拿走我应得的那一磅肉。