tridactyl

例句：

1. 1.The tridactyl foot of the kangaroo is adapted for jumping.
   袋鼠的三趾足适合跳跃。
2. 2.The discovery of a new species of tridactyls has sparked excitement among scientists.
   发现一种新的三趾生物引起了科学家的兴奋。
3. 3.The tridactyls are known for their unique ability to walk on all fours.
   三趾生物以其独特的四足行走能力而闻名。