介绍:
In today's program, we will meet with a new material--- bio-plastic made with banana peels and chat with its inventor---a 16-year-old girl in Turkey.
你知道香蕉皮也能做成生物塑料了吗？从某种意义上来说，这是一种复古而又环保的材料哦。让我们来听听它的发明者是怎样将它创造出来的吧。
大家还在听
