Radio active : তেজস্ক্রিয়;
Related Words
radio active  radio activity  radio-activity  radioactive  radioactivity  See Words Also In
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Appropriate Prepositions
Bare of(অনাবৃত, স্বল্প-সজ্জা): The trees of the forest are bare of leaves.
Cast aside (ছুঁড়ে ফেলা): As soon as they become rich they cast aside their poor friends.
Dull at (অপ্টু/কাঁচা): He is dull at mathematics.
Rid of (মুক্তি দেওয়া): He will get rid of troubles soon.
Welcome to (স্বাগত জানানো): You are welcome to our new office.
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Idioms
Carry the day (জয়লাভ করা) The boys carried the day in the debate competition.
From hand to mouth (দিন আনে দিন খায়): The poor man live from hand to mouth.
Now and then (মাঝে মাঝে): He comes here now and then.
Three score (ষাট): He is happy as his brother got three score.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.