Retrorocket : বিপরীতমুখী রকেট; ভিন্নমুখী রকেট;
Related Words
re tract  retraced  retract  retracts  retroact  retroaction  retrorocket  See Words Also In
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Appropriate Prepositions
By heart (মুখস্থ): Kamal learnt to poem by heart.
Count upon(নির্ভর করা): He always counts upon your help for this work.
Make from (কোনো উপকরণ দ্বারা সরাসরি তৈরী নয় বোঝাতে): Paper is made from bamboo.
Rejoice at/in (আনন্দ করা): Everybody rejoiced at/in his success.
Sad at (দুঃখিত): All his colleagues were very sad at his transfer from this place.
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Idioms
Back and forth (এদিক ওদিক) The mad man was running back and forth in the hospital.
From hand to mouth (দিন আনে দিন খায়): The poor man live from hand to mouth.
Gain Ground (সুবিধা পাওয়া): The wise are said to gain the ground in the long run.
Up to (পর্যন্ত) - I have done the exercises up to page 40.
Weal and woe (সুখ-দুঃখ): Human life is full of weal and woe.