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
And give her a teaspoon of the medicine after every meal.
每餐之后给她吃一茶匙的药。
The only cure for grief is action.
行动是对悲痛唯一的治疗。
but where had it come from?
但它是从哪儿来的呢？