coarse tooth

• 粗刃

coarse tooth的用法和样例：

例句

1. So on the front edge of the teeth there is always a thin cutting edge of hard enamel, a little longer than the rest of the tooth.
   因而，在前牙的边缘总有一层薄薄的坚硬的珐琅质刃口，它比牙的其余部分要略微长些，起到咬啮的作用。