Jack screw : গুরুভার বস্তু তুলিবার পেঁচালো যন্ত্র;
Related Words
jack screw  jackscrew  See Words Also In
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Appropriate Prepositions
Control over(নিয়ন্ত্রণ): He has no control over his sons.
Enter into (কোনো কিছুতে আবদ্ধ হওয়া): pma entered into a new agreement.
Greed for (লোভ): He has an indomitable greed for wealth.
Noted for (বিখ্যাত): She is noted for dancing.
Substitute for (বদলে দেওয়া): This action is substitute for that.
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Idioms
Fair and square (সৎ): The learned persons should be fair and square.
Make hay while sun shines (ঝোপ বুঝে কোপ মারা) You should try to make hay while sun shines.
Pros and cons (খুঁটিনাটি): You should consider the pros and cons of the system.
Red tape (official formalities, অফিসের কাজ)— You would not believe the red tape involved in getting the required permits.
To the point (সঠিক) - The boy answered the question to the point.