名词
中文翻译：旋转齿轮
同义词：
['rotating gear', 'rotating tooth']
例句：
-
1.The machine has a rotary tooth that rotates the workpiece.
这台机器有一个旋转的齿轮，可以旋转工件。
-
2.The dentist uses a rotary tooth to remove decayed teeth.
牙医使用一个旋转的牙齿来去除蛀牙。
-
3. The car has a rotary tooth on its front bumper that helps it turn smoothly.
汽车的前保险杠上有旋转的牙齿，有助于它平稳转弯。