A:What's this in English
B:It’s a knife
A:What's it made of
B:It’s made of metal and plastic
A:What's it used for
B:It’s used for cutting things
A:Where was it developed
B:It was developed in Shanghai
A:What's this in English
B:It’s a knife
A:What's it made of
B:It’s made of metal and plastic
A:What's it used for
B:It’s used for cutting things
A:Where was it developed
B:It was developed in Shanghai