Biochemical : প্রাণরসায়নিক;
Related Words
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Appropriate Prepositions
Anxious about (কোনো কিছুর ব্যাপারে চিন্তিত বা উদ্বিগ্ন): Karim is anxious about his father’s death. Karim is anxious for getting a job.
Bridge over (সেতু): The only entrance to Allahabad in that direction was by a bridge over the Jumna.
Careful of(যত্নশীল থাকা): Sadia is careful of her health.
Drop to (নিচে নামানো): Asif dropped his voice to a whisper.
Quarrel with (ঝগড়া করা): Some girls quarreled with one another.
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Idioms
Acid test (অগ্নি পরীক্ষা): You must succeed in the acid test of the time you live in.45
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Put up with (সহ্য করা - tolerate): I could not put up with his behavior.
Speed money (ঘুষ; উৎকোচ): He hankers after speed money.
Three score (ষাট): He is happy as his brother got three score.