Radioactivity : তেজস্ক্রিয়তা;
Related Words
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Appropriate Prepositions
Count for(গণ্য বা বিবেচিত হওয়া): There can be no lasting peace without true democracy in which the people play a part and count for something.
Look for (খোঁজা): I was looking for the lost phone.
Recover from (সুস্থ হওয়া; পূর্ব অবস্থায় ফিরে আসা): The patient has not yet recovered from his severe illness.
Short of (অপর্যাপ্ত): I am running short of money.
Worry about (কোনো কিছু বা কাউকে নিয়ে উদ্বিগ্ন হওয়া): Please, don’t worry about me. I will be alright.
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Idioms
Hold water (ধোপে টেকা): This policy will not hold water in this situation.
In vogue (চালু): This custom is not in vogue at present.
Round the clock (সমস্ত দিন): He is working round the clock.
Read between the lines (understand the significance, অন্তনিহিত অর্থ বুঝা) Try to read between the lines of the letter.
Scapegoat (উদোর পিন্ডি বুধোর ঘাড়ে)—He was made scapegoat of the incident.