qingwen baidu powder

例句：

1. 1.Qingwen is a popular online platform for learning Chinese.
   青文是一个受欢迎的学习汉语的在线平台。
2. 2. I often visit Qingwen to read articles about history.
   我经常去青文阅读关于历史的文章。
3. 3. Qingwen offers a wide range of educational resources for children.
   青文为儿童提供了广泛的教育资源。