Heliograph : সূর্যকিরণ সাহায্যে সংকেত পাঠাইবার যন্ত্র
Related Words
heliograph  holography  See Words Also In
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Appropriate Prepositions
Close to(নিকটে): Our College is close to the Post Office.
Dependent on (নির্ভরশীল): Sepm is dependent on his father.
Innocent of (নির্দোষ): The maid servant was proved innocent of the alleged theft.
Rejoice at/in (আনন্দ করা): Everybody rejoiced at/in his success.
Solution to (সমাধান): None can solution to every problem.
Browse All Appropriate Prepositions
Idioms
As a whole (মোটের উপর, সম্পূর্ন এক মনে করে-adv.) Look at life as a whole and you will see that it is meaningful.
Make hay while sun shines (ঝোপ বুঝে কোপ মারা) You should try to make hay while sun shines.
Part and parcel (অবিচ্ছেদ্য অংশ): Education is part and parcel to build a civilized nation.
Safe and sound (নিরাপদে)— He reached home safe and sound.
With a lavish hand (মুক্ত হস্তে)— Give away something with a lavish hand.