By air mail : বিমান ডাকে;
Related Words
by air mail  by airmail  See Words Also In
1.Google-Translator 2.Dictionary.com 3.Merriam-Webster 4.Wikipedia 5.Thesaurus.com
Appropriate Prepositions
Ask for (কোনো কিছু চাওয়া): Do not ask him for any help because he doesn’t like to help anyone.
Bare of(অনাবৃত, স্বল্প-সজ্জা): The trees of the forest are bare of leaves.
Comply with(মেনে নেওয়া): The clerks must comply with the orders of their officer.
Devote to (উৎসর্গ করা/নিয়োজিত করা): Students should devote sufficient time to their studies.
Urge upon (আহবান জানানো): She urged upon his son the importance of being honest.
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.
Bear in mind (মনে রাখা): Always bear in mind that you are a daughter of a reputed person.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Ins and out (খুঁটিনাটি): I know ins and outs of this file.
In one’s teens (তের থেকে উনিশ বছর বয়সের মাঝে): She is yet in her teens.