বায়ুস্তর: [Noun] Layer of air.
Related Words
বামাস্বর  বায়ুগতি  বায়ুচোষক  বায়ুজীবী  বায়ুবেগে  বায়ুরোধী  বায়ুসেনা  বায়ুসেবন  বায়ুস্তর  বিমুক্তি  বিযুক্তি  See Words Also In
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Appropriate Prepositions
Abound with(ছেয়ে থাকা): They live in a region that abounds with oil.
Argue over (কোন বিষয়ে তর্ক করা): The kids are arguing over which TV program to watch.
Concentrate on(কেন্দ্রীভূত করা): Try to concentrate your attention on your studies.
Genius for (দক্ষতা): Nazrul had a genius for convincing girls.
Innocent of (নির্দোষ): The maid servant was proved innocent of the alleged theft.
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Idioms
Call in question (সন্দেহ করা): No one can call his honesty in question.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.
To go to the dogs (গোল্লায় যাওয়া)- He has gone to the dogs by keeping evil company.
Wild goose chase (useless pursuit, পন্ডশ্রম) —Do not waste time in wild goose chase.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.