বই Face2face - উচ্চ-মাধ্যমিক - ইউনিট 2 - 2A

the number of times an event recurs in a unit of time

ফ্রিকোয়েন্সি

used to refer to something that happens rarely or infrequently

কখনও কখনও, অতিশয় কম

on a very infrequent basis

কদাচিৎ, অত্যন্ত বিরলভাবে

in a way that occurs occasionally or infrequently

in a manner that happens occasionally or infrequently, without any fixed pattern or schedule

in a way that happens irregularly

In a way that occurs frequently or regularly, but not all the time