Ventilation : বায়ুচলাচল; বায়ুচলন; বায়ুরন্ধ্র;
Related Words
ventilating  ventilation  See Words Also In
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Appropriate Prepositions
Abide with(সঙ্গে থাকা): If you would like to rest for a while, you can abide with me.
Adept in (দক্ষ): He is adept in playing football.
Break in (কথার মাঝে কথা বলা): As she was talking, he suddenly broke in, saying, ‘that’s a rat!’
Monument to (স্মৃতিসৌধ): The monument to your right is a popular tourist attraction.
Subsist on (বেঁচে থাকা): The poor subsist mainly on rice and pulses.
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Idioms
Fish in a troubled water (এলোমেলো অবস্থার সুযোগ নেয়া): He made a lot of money by fishing in a troubled water.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.
Lion’s share (বড় মাপের অংশ): He took the lion’s share of the profit.
Speed money (ঘুষ; উৎকোচ): He hankers after speed money.
To and fro (hither and thither, এদিক ওদিক)-The man is walking to and fro.