4NvpFyc22x7 china.huanqiu.comarticle学而时习之｜天更蓝、山更绿、水更清/e3pmh1nnq/e3pn60p0i<article><section data-type="rtext"><p><video controls src="https://v6.huanqiucdn.cn/4394989evodtranscq1500012236/cc1c03025145403695516982013/v.f100830.mp4" data-alt="" poster="https://v6.huanqiucdn.cn/4394989evodtranscq1500012236/cc1c03025145403695516982013/sampleSnapshot/sampleSnapshot_10_6.jpg?imageView2/2/w/1260"></video></p></section></article>1755321669697责编：王怡<a href="https://h.xinhuaxmt.com/vh512/share/12689571?newstype=1001&homeshow=1" >新华社</a>175532166969712[]{"email":"wangyi@huanqiu.com","name":"王怡"}