Tetrarcus

例句：

1. 1.The tetrarch was a large, four-legged creature that lived in the desert.
   四足虫是一种生活在沙漠的大型四足生物。
2. 2. The tetrarch's legs were strong and flexible, allowing it to move quickly across the desert.
   四足虫的腿强壮而灵活，使其能够在沙漠中快速移动。
3. 3. The tetrarch was known for its unique ability to survive in harsh conditions.
   四足虫以其在恶劣条件下生存的独特能力而闻名。