বই Total English - উচ্চ-মাধ্যমিক - ইউনিট 3 - পাঠ 1

used to express that something happens continuously from the beginning to the end of a period of time

সালে, মাঝে

scientific knowledge put into practice in a particular area, especially in industry

প্রযুক্তি

ready for being used or acquired

উপলব্ধ, মুক্ত

a long movie full of adventure that could be about a historical event

মহাকাব্য, এপিক সিনেমা

occurring or existing before what is being mentioned

পূর্ববর্তী, প্রাচীন