खोजें
Polio
01
पोलियो, पोलियोमाइलाइटिस
a disabling and life-threatening disease that causes nerve injuries leading to permanent paralysis, happens mostly in children younger than five
उदाहरण
Scientists worked for years to develop an infantile paralysis cure.
वैज्ञानिकों ने पोलियो के इलाज के लिए वर्षों तक काम किया।



























