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
Find a productive hobby, and see if you can learn something.
找一个具有意义的爱好，看你能否从中学到什么。
I must be off soon.
我很快就得走了。
Oh, we have beautiful sunshine everyday! It's very warm. Sometimes it's too hot.
噢，每天阳光明媚！很暖和。有时太热。