Visual aid : শিক্ষণ-সহায়ক চাক্ষুষ উপকরণ; দৃক-উপকরণ;
Related Words
visual aid  visuality  See Words Also In
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Appropriate Prepositions
Abhorrence of (ঘৃণা): Everyone should have abhorrence of a par.
Akin to(সমজাতীয়): These are akin to one another.
Alarm at, by, for(আশংকা করা/শঙ্কিত হওয়া): I was not alarmed at/by the news, but I was alarmed for their safety.
Astonished at(বিস্ময়-বিহবল হওয়া): We were astonished at his unexpected success.
Satisfied with (সন্তুষ্ট): The authoress was highly satisfied with Jerry.
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Idioms
For good (চিরদিনের জন্য): He left the house for good.
Man of letters (পন্ডিত ব্যক্তি): You are truly a man of letters.
Scapegoat (উদোর পিন্ডি বুধোর ঘাড়ে)—He was made scapegoat of the incident.
White elephant (অত্যন্ত ব্যয়সাপেক্ষ বিলাসিতা): At last the department proved to be a white elephant.
With a view to (উদ্দেশ্য)- He goes to college with a view to attending the class.