Radioactivity : তেজস্ক্রিয়তা;
Related Words
radio activity  radio-activity  radioactivity  See Words Also In
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Appropriate Prepositions
Averse to (বিমুখ): Rahim was averse of your various problems.
Behave towards(ব্যবহার করা): The students behaved objectionably towards the Head teacher.
Convert to(দীক্ষিত): Tom is converted to another religion.
Hatred for (ঘৃণা): I have no hatred for anyone.
Informed of (অবহিত): I was not informed of your misfortune.
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Idioms
Fair and square (সৎ): The learned persons should be fair and square.
Fight shy of (এড়িয়ে যাওয়া): Honest boys always fight shy of bad and dishonest friends.
Gift of the gab (বাকপটুতা): An advocate should have the gift of the gab.
Right and left (এলোপাথাড়ি - indiscriminately): He planted trees right and left.
Short temper (রগচটা)— He is a man of short temper.