River-basin : অববাহিকা;
Related Words
refurbishing river basin river-basinSee Words Also In
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Appropriate Prepositions
Consist of(গঠিত হওয়া): The committee consists of ten members.
Point out (চিহ্নিত করা): Point out the mistakes from the book.
Relevant to (প্রাসঙ্গিক): Your answer is not exactly relevant to my question.
Senior to (বয়সে বড়): He is senior to me by two years.
Welcome to (স্বাগত জানানো): You are welcome to our new office.
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Idioms
At last (in the end – অবশেষে) He tried hard, and at last, succeeded in achieving his goal.
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
On the contrary (বিপরীত পক্ষে): I do not hate him; on the contrary I love him.
Red tape (official formalities, অফিসের কাজ)— You would not believe the red tape involved in getting the required permits.
Weal and woe (joy and sorrow, সুখ দঃখ) —Human life is full of weal and woe.