شهاب میر

محاسبات سخت و پیچیده A rough calculation

Someone or something that reigns supreme is the most important or powerful element in a situation or period of time.

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to raise a toast: to lift your glass ( usually containing a drink like wine or cava ) and express a wish or desire for success, happiness or other go ...

these two chemicals gradually ate away at the atmosphere and poisoned millions of people's health for 50 years until their true impact was finally id ...