Prototype : যন্ত্রপাতি বা কলকব্জার মূল রূপের প্রতিরূপ;
Related Words
proto type  protoplasm  prototype  See Words Also In
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Appropriate Prepositions
Admit of(স্থান করা, সুযোগপ্রাপ্ত হওয়া): His offence admits of no explanation.
Affectionate to(স্নেহশীল): He is very affectionate to his baby.
Identical with (একই ধরণের): You are identical with your sister.
Play with (খেলা করা/ মজা করা): I shall not play with him.
Work for (কারো জন্য কাজ করা): She works for a construction company.
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Idioms
Right and left (এলোপাথাড়ি - indiscriminately): He planted trees right and left.
Stone’s throw (অতি নিকটে): Our school is at a stone’s throw from our house.
Tide over (বিপদ অতিক্রম করা-overcome ): The manager tided over the situation.
To the backbone (to the core, হাড়ে হাড়ে) —The boy is wicked to the backbone.
Up and doing (উদ্যোগী): Be up and doing and then you will succeed in your life.