Cosmologist : মহাবিশ্বতত্ত্ববিদ;
Related Words
comeliest  communalist  cosmologist  See Words Also In
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Appropriate Prepositions
Consolidate for (শক্তিশালী করা): The four new companies consolidated for greater efficiency.
Drop to (নিচে নামানো): Asif dropped his voice to a whisper.
Fail in (ব্যর্থ হওয়া): He failed in getting internet connection in his room.
Refrain from (বিরত রাখা বা থাকা): I refrained him from smoking.
Remedy for (প্রতিকার): There is no remedy for cancer.
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Idioms
Black sheep - (কুলাঙ্গার): Stay away from the Black sheep.
Brown study (দিবাস্বপ্ন): The girl is absorbed in a brown study.
In no time (শীঘ্র): He will finish the work in no time.
Three score (ষাট): He is happy as his brother got three score.
Up to (পর্যন্ত) - I have done the exercises up to page 40.