Chrome，
QQ浏览器
.
![[九下化学]8分钟！！！第十单元|酸和碱|课题一 常见的酸和碱 Part 1|酸、碱与指示剂的作用|详细知识点讲解|碎片化时间学习](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2Fcb37a1663a1563e7b3e0cdb2386bfaeb82970e4b.jpg%40672w_378h_1c_%21web-search-common-cover)
![[九下化学]来补课了！！！第十单元 酸和碱|课题一 |常见的酸和碱 Part 2|常见的酸|详细知识点讲解|碎片化时间学习](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2Fcbe558545d3e4537a93ad156ec4983659f2f6767.jpg%40672w_378h_1c_%21web-search-common-cover)
.