Deuterium : সাধারণ হাইড্রোজেনের দ্বিগুণ ভরবিশিষ্ট ভারি হাইড্রোজেন গ্যাস;
Related Words
derm determine detrain deuterium deuteronomy drumSee Words Also In
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Appropriate Prepositions
Adept in (দক্ষ): He is adept in playing football.
Answer for(কোনো কারনে জবাবদিহি করা): He will have to answer for his misdeeds.
Avail (oneself) of(সুযোগের স্বব্যবহার করা): I shall avail myself of the first trip to London tomorrow.
Regard for (সম্মান): Good boys have great regard for their teachers.
Subject to (সাপেক্ষে): The man was appointed subject to the approval of the chairman.
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Idioms
Back and forth (to and fro-এদিক ওদিক – adv.) The mad man was walking back and forth in the doctor’s chamber.
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
Moot point (অমীমাংসিত বিষয়): Dowry system is still a moot point in Bangladesh.
Riding for a fall (বেপরোয়াভাবে কাজ করা- to act recklessly): He rides for a fall in the election.
See to (বিবেচনা করা)— Can you see to it that everyone gets a copy of this memo?