Optional gear ratio
[化] 可变齿轮速比
🧩 词语组成解析
gear
[ɡɪr]
n. 齿轮;排挡;传动装置;衣服 ;
vi. 接上;调和;
vt. 使适应;装上齿轮;用齿轮连接;
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
Goodbye, take it easy.
再见，悠着点。
Don't feel like it.
并不想。
It was necessary first to arrive at that degree of sophistication where we no longer set our own belief against ourneighbour's superstition.
不用自己的信仰去反对我们邻居的迷信。