বায়ু-পাম্প: [Noun] Air-pump.
Related Words
বায়ু-পাম্প বায়ুতরঙ্গSee Words Also In
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Appropriate Prepositions
Derive from (উৎসারিত হওয়া): The one has been derived from the poem.
Guess at (অনুমান করা): It is difficult to guess at the age of women.
Indispensable to (অত্যাবশ্যকীয়): Your help is indispensable to him.
Rely on (নির্ভর করা): We should not rely on a lazy man.
Welcome to (স্বাগত জানানো): You are welcome to our new office.
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Idioms
At all (in the least degree – মোটেও না) There is no water at all in the pond.
Burning question - (গুরুত্বপূর্ন বিষয়): Poverty problem is a burning question of our country.
Cut to the quick (মর্মাহত হওয়া): I was cut to the quick by his birds.
Fair and square (সৎ): The learned persons should be fair and square.
Make hay while sun shines (ঝোপ বুঝে কোপ মারা) You should try to make hay while sun shines.