Spectrum : বর্ণালী; তিন পলা কাচ দ্বারা পৃথক করা আলোকের বর্ণ;
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spectrometer  spectrum  spectrums  See Words Also In
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Appropriate Prepositions
Anxious for (কারোর ব্যাপারে চিন্তিত): Sabbir was anxious for her.
Dull of (বধির; কানে শুনে না): He is dull of hearing.
Make from (কোনো উপকরণ দ্বারা সরাসরি তৈরী নয় বোঝাতে): Paper is made from bamboo.
Monument to (স্মৃতিসৌধ): The monument to your right is a popular tourist attraction.
Sad at (দুঃখিত): All his colleagues were very sad at his transfer from this place.
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Idioms
At every step (প্রতি পদে পদে): There are dangers at every step in our life and yet we want to live.
Lose heart (হতাশ হওয়া) — Do not lose heart in danger.
Pack up a quarrel (ঝগড়া মিটানো)— He packed up their quarrel.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.
Ups and downs (উত্থান পতন)- There is ups and downs in a man's life.