Double-reduction gear
[机] 双级减速齿轮
🧩 词语组成解析
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
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;
🗣️ 情景例句
No one lives here by that name.
这里没有人叫那个名字。
She felt in her bones that she would succeed.
她坚信自己能够成功。
I am always amazed when I hear people saying that sport creates goodwill between the nations,
当我听人们说体育运动可创造国家之间的友谊，