Prototype : যন্ত্রপাতি বা কলকব্জার মূল রূপের প্রতিরূপ;
Related Words
proto type  protoplasm  prototype  See Words Also In
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Appropriate Prepositions
Die of (রোগে মরা): Many people died of cholera.
Hit upon (পরিকল্পনা নেয়া): Rahim hit upon a new plan.
Identical with (একই ধরণের): You are identical with your sister.
Take after (সদৃশ হওয়া, একই রকম হওয়া): The boy takes after his brother.
With a view to (উদ্দেশ্য): I went to hospital with a view to seeing you.
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Idioms
Back and bally (জীবিকা, ভরণ পোষণ—n) Who will provide the increasing population with the required back and bally?
Bad names (গালমন্দ—n) He called the man bad names.
In a nutshell (সংক্ষেপে): Tell the whole story in a nutshell.
Make hay while sun shines (ঝোপ বুঝে কোপ মারা) You should try to make hay while sun shines.
Tooth and nail (strongly, প্রবলভাবে)-He fought tooth and nail against his enemy.