The "Fengying" he speaks of is Wu Fengying, a technician at the National Synchrotron Radiation Research Center in the Hsinchu Science Park. She's known online as a cordial host.
楊秉軒口中的「鳳英姐」，本名吳鳳英，本業是新竹科學園區的「國家同步輻射研究中心」管理師，然而她在網路世界為人所熟知的面貌，卻是最熱心的「好客主人」。