Mei Li:
Which German, together with Ernst Abbe, developed and produced many new lenses and heat resistant glasses??
Shuai Zheng:
carl zeiss
Mei Li:
How many keys are found on a typical piano??
Shuai Zheng:
88
Mei Li:
With which type of foodstuff do you associate the name of Levi Roots??
Shuai Zheng:
reggae reggae sauce