Respiratorysystem : শ্বসনতন্ত্র;
Related Words
respiratory quotient  respiratory system  respiratorysystem  See Words Also In
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Appropriate Prepositions
Adhere to (লেগে থাকা, অটল থাকা): You should adhere to your principal.
Curse for (অভিশাপ দেয়া): If he ever mistreats my parents, I will certainly curse him for it.
Delighted at/with (আনন্দিত হওয়া): Sharmin was delighted at/with her husband’s promotion.
Fatigued by (ক্লান্ত): He was fatigued by hard work.
Object to (প্রতিবাদ করা): Many people objected to the remarks of the leader.
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Idioms
A bed of roses - (সুখকর অবস্থা): Life is not a bed of roses.
As a whole (মোটের উপর, সম্পূর্ন এক মনে করে-adv.) Look at life as a whole and you will see that it is meaningful.
Cock and bull story (আষাঢ়ে গল্প): You must be ashamed of your cock and bull story.
Pandora’s box (আপাতঃ দৃষ্টিতে ভালো মনে হলেও আসলে ভালো নয়)—His words proved to be Pandora’s box.
Pack of lies (ডাঁহা মিথ্যা)—He told pack of lies to prove himself innocent.