সরল দোলক: Simple pendulum.
Related Words
সরল কোণ সরল দোলক সরল রেখা সরলরেখা সরু কোমর সীল মোহরSee Words Also In
1.Google-Translator 2.Wikipedia 3.Wiktionary.org
Appropriate Prepositions
Absent from(অনুপস্থিত থাকা): I was absent from the class yesterday.
Enter into (আলোচনা করতে আরম্ভ করা): Let’s not enter into details at this stage.
Genius for (দক্ষতা): Nazrul had a genius for convincing girls.
Substitute for (বদলে দেওয়া): This action is substitute for that.
Take after (সদৃশ হওয়া, একই রকম হওয়া): The boy takes after his brother.
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Idioms
Gala day (বিশেষ দিন): The Eid–Ul-Fitr is a gala day for Muslims.
Null and void (বাতিল): The deed has been null and void now.
To go to the dogs (গোল্লায় যাওয়া)- He has gone to the dogs by keeping evil company.
Three R's (প্রাথমিক শিক্ষা)— He has not yet learnt the three R's.
Tide over (বিপদ অতিক্রম করা-overcome ): The manager tided over the situation.