✔ 最佳答案
香港普通話專科學校
www.putonghua.com
en.wikipedia.org/wiki/Standard_Mandarin - 144k
web of learning putonghuaweb of learning putonghua / mandarin. ... The main purpose of this website is to learn putonghua / mandarin for tourists. ...
pth.linqi.org/en/index.html - 18k
I hope that I can help you!