a four-legged animal

• 四足动物

a four-legged animal的用法和样例：

例句

1. A house is a four-legged animal.
   马是一种四足动物。
2. Myriapod animals were probably one of the invertebrate animal groups that first colonized the terrestrial ecosystem during Early Paleozoic.
   摘要多足动物可能是最早人侵陆地环境的无脊椎动物之一。