Hypersonic : শব্দাপেক্ষা পাঁচগুণ গতিবেগসম্পন্ন;
Related Words
hyper conscious  hyperconscious  hypersensitive  hypersonic  See Words Also In
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Appropriate Prepositions
Close to(নিকটে): Our College is close to the Post Office.
Derive from (উৎসারিত হওয়া): The one has been derived from the poem.
Grateful to (কৃতজ্ঞ): We should be grateful to our teachers.
Long for (আশা করা/কামনা করা): He longed for name and fame.
Refrain from (বিরত রাখা বা থাকা): I refrained him from smoking.
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Idioms
At times (মাঝে মাঝে): He at times comes here.
At random (indiscriminately—এলোপাথাড়ি-adv.) He talks at random like a mad man.
Die in harness (কর্মরত অবস্থায় মারা যাওয়া): Dr. Sen died in harness.
Maiden speech (প্রথম বক্তৃতা): His maiden speech fell flat on the audience.
Take one to task (rebuke, তিরস্কার করা)— He took me to task for negligence of duty.