Ecologist : বাস্তব্যবিদ্যা-বিশেষজ্ঞ;
Related Words
ecclesiast  ecologist  See Words Also In
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Appropriate Prepositions
Apart from(ছাড়া, ব্যতীত, দূরে): They pave apart from each other.
Appoint to(নিযুক্ত করা/হওয়া): Kibria has been appointed to the post of Headmaster.
Complain about (কোনো বিষয়ে নালিশ করা): They complained about the mismanagement of the programme.
Entrust to (কাউকে কোনো কিছু বিশ্বাস করে দেওয়া): He entrusted the thing to me.
Feed on (খেয়ে বাঁচা): The cow feeds on grass.
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Idioms
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
Fish out of water (অস্বস্তিকর অবস্থা): When he came to the village, he felt like fish out of water.
In a fix (মুশকিলে পতিত হওয়া): The man is in a fix with his new hairstyle.
Slip of the pen (লেখায় অসতর্কতাবশত সামান্য ভুল): The mistake is due to a slip of the pen.