#DAILY_VOCABULARY 1.Decrepit (Adj)-old and no longer in good condition. 2.Radiated (V)-spread out, extend, diverge, make known. 3.Epidemiologists (N)-a medical scientist who studies the transmission and control of epidemic diseases. महामारीविद् 4.Cornerstone (N)-basic principles or facts. आधार 5.Imperative (N)-something that demands attention or action or an unavoidable obligation or requirement. अनिवार्य, जरूर 456 views14:30