roughback / ˈrʌfˌbæk /

🎓大学词汇粗糙的背部粗糙的背面粗糙的背粗糙的背影

roughback 的定义

n. 名词 noun
  1. any of several large American flatfishes having rough skin, especially Hippoglossoides platessoides, a species of plaice.