原址：https://www.usgo.org/content.aspx/page_id=5&club_id=454497&item_id=121099原题：New Sheriff in Town: Yuan-Jyun Wang Sweeps to ...

China's Olympic champion Zheng Qinwen has pulled out of this year's US Open tournament following an elbow surgery, the ...

WASHINGTON, July 21 (Xinhua) -- China's Olympic champion Zheng Qinwen has pulled out of this year's US Open tournament following an elbow surgery, the event's organizers announced on Monday.