| 单词 | 大齿 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔engage〕When the large gear wheel engages (with the smaller one), the mill stone will start to go round.当大齿轮（与小齿轮）啮合时，石磨就开始转动。剑桥高阶〔pinion〕A small cogwheel that engages or is engaged by a larger cogwheel or a rack.小齿轮，齿杆：啮合大齿轮或被大齿轮或齿条啮合的小齿轮美国传统〔premolar〕One of eight bicuspid teeth located in pairs on each side of the upper and lower jaws behind the canines and in front of the molars.前臼齿：位于臼齿之前大齿之后上下颚两边的八颗成对的前臼齿美国传统When the large cog wheel engages (with the smaller one), the mill stone will start to go round.当大齿轮(与小齿轮)啮合时，石磨就开始运转。剑桥国际 |
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