复数: sticklebacks
noun
刺鱼 a small freshwater fish with sharp points on its back
数据来源:WordNet
In the case of the nine-spined stickleback , they have most likely adapted to local ecology .
对于九刺鱼来说,他们很有可能的是出于适应本身所处的生态环境而习就了这一高级功能