the Salk vaccine
noun /ðə ˈsɔːlk væksiːn/
/ðə ˈsɔːlk væksiːn/
[singular]- a medicine used to prevent polio (= a serious disease affecting the nervous system), developed in 1954 by the US scientist Jonas Salk (1914-95)
Salk疫苗:一种用于预防小儿麻痹症(一种严重的疾病,影响神经系统)的药物,于1954年由美国科学家Jonas Salk(1914-95)开发