Ultrasonic : অতিস্বনক; শ্রুতির অতীত; অতিধ্বনক; শ্রবণাতীত;
Related Words
ultra sonic  ultrasonic  See Words Also In
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Appropriate Prepositions
Addicted to(খারাপ কিছুতে আসক্ত): She is addicted to collecting stamps.
Delighted at/with (আনন্দিত হওয়া): Sharmin was delighted at/with her husband’s promotion.
Dull at (অপ্টু/কাঁচা): He is dull at mathematics.
Make from (কোনো উপকরণ দ্বারা সরাসরি তৈরী নয় বোঝাতে): Paper is made from bamboo.
Regret for (দুঃখ করা): We regretted for his failure.
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Idioms
At every step (প্রতি পদে পদে): There are dangers at every step in our life and yet we want to live.
In no time (শীঘ্র): He will finish the work in no time.
Pros and cons (খুঁটিনাটি): You should consider the pros and cons of the system.
Round the clock (সমস্ত দিন): He is working round the clock.
To the letter (in all details, অক্ষরে অক্ষরে) —Follow my advice to the letter.