Sector gear
[机] 扇形齿轮, 扇形轮
🧩 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;
🗣️ 情景例句
They mentioned you as a good source of information.
他们说你消息灵通。
And our successful techniques, and to speak about our failures.
和成功技巧，并讲出我们的失败之处。
They finally found a small gold coin which was almost worthless.
但最后找到的是一枚几乎一钱不值的小金币。