Ruthenium : রূটীনিয়মপদার্থ; প্ল্যাটিনাম গোত্রের একটি বিরল মৌল;
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Appropriate Prepositions
Admit to(ভর্তি করা): The boy was admitted to class Nine.
Bridge over (সেতু): The only entrance to Allahabad in that direction was by a bridge over the Jumna.
Care of(যত্ন নেওয়া): You should take care of your health.
Sorry for (দুঃখিত): He is sorry for his misdeeds.
Subsist on (বেঁচে থাকা): The poor subsist mainly on rice and pulses.
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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.
Fight shy of (এড়িয়ে যাওয়া): Honest boys always fight shy of bad and dishonest friends.
Irony of fate (ভাগ্যের পরিহাস): He could not succeed by irony of fate.
Null and void (বাতিল): The deed has been null and void now.
Soft Soap (নিজ অভিপ্রায়ে/অভিসন্ধিতে তোষামোদ করা): He was expert in soft soap.