Respiratorysystem : শ্বসনতন্ত্র;
Related Words
respiratory quotient  respiratory system  respiratorysystem  See Words Also In
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Appropriate Prepositions
Attain to (লাভ করা): He will not attain to his objective so soon.
Famous for (বিখ্যাত): Smith is famous for his wisdom.
Good for, at (ভাল): This man is good for nothing. He is good at English.
Qualified for (যোগ্য প্রতিপন্ন হওয়া): No candidate was properly qualified for the post.
Quick at (চটপটে): A cashier must be quick at figures.
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Idioms
At a discount (অনাদৃত) Female education is no longer at a discount now.
Bear in mind (remember— মনে রাখা —V): You should also bear in mind the additional costs of the mortgage.
Of course (অবশ্যই): Of course, you know what that meant.
Rank and file (সাধারণ লোক): We should pay attention to the rank and file of the country.
Well off (স্বচ্ছল) - Jim and Della were not well off.