Ephemera : ক্ষণস্থায়ী বস্তু; ক্ষণস্থায়ী পদার্থ;
Related Words
ephemera  ephemeral  ephemerides  ephemeris  See Words Also In
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Appropriate Prepositions
Composed of(তৈরী): This medicine is composed of vitamins and minerals.
Derive from (উৎসারিত হওয়া): The one has been derived from the poem.
Hit upon (পরিকল্পনা নেয়া): Rahim hit upon a new plan.
Sanguine of (নিশ্চিত বা আশান্বিত): Be sanguine of your success.
Smile on/upon (অনুগ্রহ করা): Fortune smiles on/upon the brave.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
Far and wide (সর্বত্র): His fame spread far and wide.
Soft Soap (নিজ অভিপ্রায়ে/অভিসন্ধিতে তোষামোদ করা): He was expert in soft soap.
Through and through (পুঙ্খানুপুঙ্খু রুপে)- He read the poem through and through.