Takulandilani Pulofesa Xie Xuming waku Tsinghua University yomwe ndi imodzi mwasukulu zapamwamba ku China. Chiaus apanga mgwirizano ndi Yunivesite ya Tsinghua kuti aphunzire zida zogwirizana ndi matewera kuti apereke chisamaliro chabwino kwambiri chogwiritsira ntchito ana.
Nthawi yotumiza: Apr-13-2021