Prototype : যন্ত্রপাতি বা কলকব্জার মূল রূপের প্রতিরূপ;
Related Words
proto type  protoplasm  prototype  See Words Also In
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Appropriate Prepositions
Adjacent to (সন্নিহিত): His house was adjacent to the bridge.
Attain to (লাভ করা): He will not attain to his objective so soon.
By heart (মুখস্থ): Kamal learnt to poem by heart.
Heir to (উত্তরাধিকার পাওয়া): He is an heir to a vast property.
Rid of (মুক্তি দেওয়া): He will get rid of troubles soon.
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Idioms
All along - (সব সময়): I was present in the meeting all along.
At every step (প্রতি পদে পদে): There are dangers at every step in our life and yet we want to live.
Man of straw (অপদার্থ): We do not care for a man of straw like you.
Through and through (পুঙ্খানুপুঙ্খু রুপে)- He read the poem through and through.
Take one to task (rebuke, তিরস্কার করা)— He took me to task for negligence of duty.