“切齿”用英语怎么说？

他经常切齿.He often grinds his teeth.借助于局部综合法, 研究了 非零 变位弧齿锥齿轮的切齿设计.Based on the local synthesis method, the tooth cutting of non - zero modified bevel gear was researched.把这无用的仆人 、 丢在外面黑暗里.在那里必要哀哭切齿了.And throw that worthless ...

“切齿”的拼音为：qiē chǐ...