“脊髓”怎么读？

在巴西脊髓灰质炎实际上已经根除。Polio has been virtually eradicated in Brazil.脊髓灰质炎疫苗挽救了数以百万计的生命.The polio vaccine has saved millions of lives.1995年,已消灭脊髓灰质炎.By 1995 poliomyelitis had been totally eliminated....

“脊髓”的英语可以翻译为：medulla spinalis，spinal cord，spinal marrow ...