... circle of races 品圈 circle of species种圈 circle of vegetation 植物界 ...
双语例句
1
The polar bear, which is native largely to the Arctic circle, is the world's largest carnivore species found on land. It is also the largest species of bear.
北极熊主要生活在北极圈内,它们是已知的最大陆地食肉动物,而且还是最大的一种熊类。
2
The Samson is tiny moving among the vast floating islands of rock. Bansheerays and other smaller flying speciescircle next to the cliffs in the sunlit shafting between the clouds.