জীব-রহস্য: [Noun] Secret of animal life; zoology; biology.
Related Words
জীব-রহস্য জীবনচক্র জীবনান্ত জীবশূন্য জীবানন্দSee Words Also In
1.Google-Translator 2.Wikipedia 3.Wiktionary.org
Appropriate Prepositions
Adapt for (উপযোগী করে নেওয়া): This book has been adapted for the children.
Alarm at, by, for(আশংকা করা/শঙ্কিত হওয়া): I was not alarmed at/by the news, but I was alarmed for their safety.
Monument to (স্মৃতিসৌধ): The monument to your right is a popular tourist attraction.
Object to (প্রতিবাদ করা): Many people objected to the remarks of the leader.
Play at (খেলা): I do not play at cards.
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Idioms
Burning question - (গুরুত্বপূর্ন বিষয়): Poverty problem is a burning question of our country.
In the wake of (ঠিক পরে): Police came in the wake of the accident.
Round the clock (সমস্ত দিন): He is working round the clock.
Three score (ষাট): He is happy as his brother got three score.
To and fro (hither and thither, এদিক ওদিক)-The man is walking to and fro.