Micro chemical : অনুরাসায়নিক;
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Appropriate Prepositions
Bark at(ঘেউ ঘেউ করা): The dog is barking at the strange woman.
Bridge over (সেতু): The only entrance to Allahabad in that direction was by a bridge over the Jumna.
Hunger for (আকাঙ্কা): The teacher has a great hunger for knowledge.
Inquire of, about, into, after (অনুসন্ধান করা): Roma inquired of me about my father’s health. The pope will inquire into the cause of fire. Mehjabin inquired after her friends.
Stick to (দৃঢ়ভাবে লেগে থাকা): We should always stick to our decisions.
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Idioms
At death’s door (at the point of death- মৃত্যুর দ্বারে) The patient is now at death’s door.
Birds of a feather (persons of like disposition-একই পর্যায়ের লোক) Bird’s of a feather flock together.
Milk and honey – (প্রাচুর্য)- He lives with milk and honey.
Read between the lines (understand the significance, অন্তনিহিত অর্থ বুঝা) Try to read between the lines of the letter.
Square meal (পেট ভরা আহার): He is too poor to have a square meal everyday.