<hr> هر هفت سال یکبار، هفت ساله، هفت سالگی، هفت سال یکبار

هر هفت سال یکبار، هفت ساله، هفت سالگی، هفت سال یکبار

<div class="boxBd boxLtr">• event which occurs once every seven years<br>occurring once every seven years; of a period of seven years</div>

• event which occurs once every seven years occurring once every seven years; of a period of seven years

انگلیسی به انگلیسی

<p>هفت سال یکبار، هفت ساله</p>

هفت سال یکبار، هفت ساله

septennial