Spirometer : ফুসফুসের ক্ষমতা-পরিমাপক যন্ত্র;
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Appropriate Prepositions
Absent from(অনুপস্থিত থাকা): I was absent from the class yesterday.
Call on(কারও সাথে দেখা করা): I called on him in his office.
Compensate for(ক্ষতিপূরণ করা): I will compensate him for the loss.
Destitute of (নিঃস্ব; বিবর্জিত): He is destitute of any friend here.
Make up of (গঠিত): Village is made up of many homes.
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Idioms
All along - (সব সময়): I was present in the meeting all along.
Brown study (দিবাস্বপ্ন): The girl is absorbed in a brown study.
Make both ends meet (আয় ব্যয় মেলানো): I cannot make both ends meet with my small income.
Pin money (স্ত্রীর দেয়া হাত খরচ)— She saved her pin money.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.