门牙，门齿，切牙。

Incisor. He used his teeth.

该门齿满足与剪刀抓地力。

The incisors meet with a scissors grip.

猫的牙齿分为门齿、犬齿和臼齿。

Incisor teeth into the cat and canine and the molars.

和非洲犀牛不一样，印度犀牛不会用额头上的角对刺，它们的武器是巨大且锋利的下门齿。

Unlike African rhinos, Indian rhinos don't gore an enemy with the spike on their heads. They bite with large, sharp lower incisors.