machairodont

例句：

1. 1. The horse's machairodont teeth are very sharp and can beused for cutting grass.
   马的马颊齿非常锋利，可以用来割草。
2. 2. The dentistremoved the machairodont from thehorse's mouth.
   牙医从马嘴里取出了马颊齿。
3. 3. The machairodont is a unique feature of horses, allowing them to eat tough plants likegrass.
   马颊齿是马的一种独特特征，使它们能够吃像草这样的硬植物。