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
You tried, Mom.
尽力了， 妈妈。
I envy you.
我羡慕你。
The only thing to do was ask them to come half an hour later than the other guests.
唯一的办法就是请他们比别的客人晚来半小时。