Reactivity : রিঅ্যাকটিবিটি;
Related Words
reactivate  reactivated  reactivating  reactivity  rectified  See Words Also In
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Appropriate Prepositions
Aim at(আঘাত করার জন্য লক্ষ্য স্থির করা): The hunter aimed at the tiger.
Akin to(সমজাতীয়): These are akin to one another.
Short of (অপর্যাপ্ত): I am running short of money.
Sick of (ক্লান্ত): He is sick of this idle life.
Work for (কারো জন্য কাজ করা): She works for a construction company.
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Idioms
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
In the wake of (ঠিক পরে): Police came in the wake of the accident.
Out of date (সেকেলে): This fashion is out of date.
Pave the way (সুপ্রসন্ন করা) – I am sure I can pave the way for your success.
Without fail (অবশ্যই) - You must attend the meeting without fail.