Helical gear
[化] 斜齿轮; 斜齿圆柱齿轮
🧩 词语组成解析
a. 螺旋状的\\n[电] 螺线
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
What material is this made from?
这是什么材料做的？
The place is too stony for farming.
这地方太多石块，不适合耕种。
There's something wrong with my left shoulder. I hurt it while I was doing gym. I've got a pain here too.
我的左肩疼痛。我做体操时受伤了。这里也疼。