বায়ুচলাচল: [noun] ventilation; [প্রতিশব্দ] বায়ুচলন;
Related Words
বায়ুচলাচল  বায়ুবাহিত  বায়ুচলাচল  See Words Also In
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Appropriate Prepositions
Dwell upon (আলোচনা করা): They dwell long upon the matter.
Free from (মুক্ত): He is now free from danger.
Repentance for (অনুতাপ): He has repentance for the past.
Sorry for (দুঃখিত): He is sorry for his misdeeds.
Subsist on (বেঁচে থাকা): The poor subsist mainly on rice and pulses.
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Idioms
At one’s elbow (near at hand — হাতের কাছে – adv.) His private secretary is always at his elbow.
Out of sorts (সামান্য অসুস্থ): The baby is out of sorts after playing.
Put the cart before the horse (to reverse the natural order of things-কোনো জিনিসের স্বাভাবিক ক্রমকে পাল্টে দেয়া) - The leader put the cart before the horse.
To go to the dogs (গোল্লায় যাওয়া)- He has gone to the dogs by keeping evil company.
To meet trouble half-way (পুরোপুরি মোকাবেলার আগেই হাল ছেড়ে দেয়া): He met trouble half way after getting the instructions.