Reactivity : রিঅ্যাকটিবিটি;
Related Words
reactivate  reactivated  reactivating  reactivity  rectified  See Words Also In
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Appropriate Prepositions
Abound in(প্রাচুর্যপূর্ণ হওয়া): Fish abounds in the pond.
Compensate for(ক্ষতিপূরণ করা): I will compensate him for the loss.
Cope with (এঁটে ওঠা; তাল মিলিয়ে চলা): They cannot cope with so much work.
Easy of (সরল): The teacher is easy of approach.
Indulge in (আসক্ত): You should not indulge in social media.
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Idioms
Acid test (অগ্নি পরীক্ষা): You must succeed in the acid test of the time you live in.45
On the wane (হ্রাসমান): His fame is on the wane now.
Out of date (সেকেলে): This fashion is out of date.
Short temper (রগচটা)— He is a man of short temper.
Ups and downs (উত্থান পতন): There are ups and downs in a man’s life.