Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
سلام آب بخاطر کوچیکی از انتشار ساده میتونه بره چرا مواد دیگه که ریز هستن ومحلول دراب هم هستن نمیتونن ازانتشار ساده برن؟
مهدیه حبیب زاده Your browser does not support the audio element.
audio