Watt hour : একঘন্টা ধরে এক ওয়াট ক্ষমটা প্রয়োগ করলে যে পরিমাণ শক্তি ব্যয়িত হয়;
Related Words
watt hour  weather  See Words Also In
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Appropriate Prepositions
Annoyed for(কোনো কারনে বিরক্ত হওয়া): The officer was annoyed with the clerk for being late.
Associate with, in(জড়িত হওয়া): This man was associated with crime.
Aware of(অবগত): I am not aware of his dishonesty.
Popte in, to (মার্জিত): We must be popte in our dealings. One should be popte to
Run on (বিরতিহীন চলা): The bus is running on time.
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Idioms
Dead language (যে ভাষা এখন আর কথ্য নয়): Sanskrit is a rich language, but it is now a dead language.
In full swing (পুরোদমে): The school is in full swing after the vacation.
Lame excuse (বাজে ওজর): The lame excuse will not do.
Of course (অবশ্যই): Of course, you know what that meant.
Take to one's heels (to run away, পালানো)- They took to their heels when they saw the policeman approaching.