বায়ুস্তর: [Noun] Layer of air.
Related Words
বামাস্বর  বায়ুগতি  বায়ুচোষক  বায়ুজীবী  বায়ুবেগে  বায়ুরোধী  বায়ুসেনা  বায়ুসেবন  বায়ুস্তর  বিমুক্তি  বিযুক্তি  See Words Also In
1.Google-Translator 2.Wikipedia 3.Wiktionary.org
Appropriate Prepositions
Compete with(প্রতিযোগিতা করা): He does not pke to compete with
Die of (রোগে মরা): Many people died of cholera.
Heir of (উত্তরাধিকারী): He is the heir of his father.
Indebted to (ঋণী থাকা): We are indebted to the great leaders of the country for their service.
Make from (কোনো উপকরণ দ্বারা সরাসরি তৈরী নয় বোঝাতে): Paper is made from bamboo.
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Idioms
Crocodile tears (মায়াকান্না): He shed crocodile tears at our misery.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Far and wide (সর্বত্র): His fame spread far and wide.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.
To the contrary (against what some one had said, পক্ষান্তরে) —He said nothing to the contrary.