Really magic chalk! When listening to Shen's class, I always felt this way!

真是神奇的粉笔！每当听沈老师的课，我总有这样的感受！

youdao

Really magic chalk! When listening to Shen's class, I always felt this way!

真是神奇的粉笔！每当听沈老师的课，我总有这样的感受！

youdao