rhinion

例句：

1. 1.The rhinoceros is a large mammal with a distinctive horn.
   犀牛是一种大型哺乳动物，有一根独特的角。
2. 2. The rhinoceros is an important symbol of the African continent.
   犀牛是非洲大陆的一个重要象征。
3. 3. The rhinoceros is threatened by poaching and habitat loss.
   犀牛因偷猎和栖息地丧失而受到威胁。