যেকোনো শব্দ খুঁজুন, যেমনঃ timebomb:
 
1.
the study of the environment, all the biotic and abiotic things and the relationships between them.
Today, environautics is has become a useful tool for nature conservation.
লিখেছেন- uttam maharjan 7 de ডিসেম্বার de 2011