1.0بهترین کلاس آنلاین خصوصی مکالمه انگلیسیhttps://salamzaban.com/conversationrich600338<blockquote class="wp-embedded-content" data-secret="1jgTG05A0L"><a href="https://salamzaban.com/conversation/fosbury-flop/">فسبری فلاپ</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://salamzaban.com/conversation/fosbury-flop/embed/#?secret=1jgTG05A0L" width="600" height="338" title="“فسبری فلاپ” — بهترین کلاس آنلاین خصوصی مکالمه انگلیسی" data-secret="1jgTG05A0L" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://salamzaban.com/conversation/wp-includes/js/wp-embed.min.js </script> فسبری فلاپ فایل آموزش انگلیسی Fosbury Flop American athlete Dick Fosbury devised the high jump technique known as the “Fosbury Flop.” His new technique revolutionized one of the oldest events in track and field competition. While Fosbury never broke the world record using his new technique, other high jumpers were inspired by his gold medal…