{"version":"1.0","provider_name":"MemUAI","provider_url":"https:\/\/memuai.com\/zh","author_name":"shentan","author_url":"https:\/\/memuai.com\/zh\/author\/shentan\/","title":"4000 Essential English Words: Detailed Explanation and Practice - MemUAI","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"MaQidzRvNz\"><a href=\"https:\/\/memuai.com\/zh\/2025\/10\/04\/4000-essential-english-words-detailed-explanation-and-practice\/\">4000 Essential English Words: Detailed Explanation and Practice<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/memuai.com\/zh\/2025\/10\/04\/4000-essential-english-words-detailed-explanation-and-practice\/embed\/#?secret=MaQidzRvNz\" width=\"600\" height=\"338\" title=\"\u300a 4000 Essential English Words: Detailed Explanation and Practice \u300b\u2014MemUAI\" data-secret=\"MaQidzRvNz\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/memuai.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","description":"4000 Essential English Words: Detailed Explanation and Practice niao000000 1. Introduction \u201c4000 Essential English Words: Detailed Explanation and Practice\u201d is a systematic and practical vocabulary learning program designed for English learners at various levels.It focuses on the most frequently used and meaningful 4,000 core English words, covering everyday life, social interaction, study, work, science, and [&hellip;]","thumbnail_url":"http:\/\/www.memuai.com\/wp-content\/uploads\/2025\/05\/favicon-1.png"}