老师在讲台上讲得越卖力,学渣在下面小差开的越起劲<img class="W_img_face" render="ext" src="//img.t.sinajs.cn/t4/appstyle/expression/ext/normal/62/2018new_tanshou_org.png" title="[摊手]" alt="[摊手]" type="face"><a suda-uatrack="key=tblog_card&amp;value=click_title:4544806494408439:1034-video:1034%3A4544806043451398:weibodetail:1511804135:4544806494408439:1511804135