Mei Li:
Potomology is the scientific study of what??
Shuai Zheng:
rivers
Mei Li:
Indonesia's bad-smelling Rafflesia Arnoldii is the world's largest (what?), and a national emblem??
Shuai Zheng:
flower
Mei Li:
What occupation is shared by Beverley Copella and Trevor Sorbie??
Shuai Zheng:
hairdressing