◎Cambridge Discovery Education Interactive Readers are the next generation of graded readers - captivating topics, high-impact video, and interactive exercises designed to motivate and engage.
It's in our shoes, cars, bikes, golf balls, clothing, kitchens . . . what would we do without rubber? Learn about where rubber comes from, how we use it, and how we depend on it more and more.
想想看，我們生活中有多少橡膠製品？若無橡膠，我們的世界會變化多少？了解更多有關橡膠的來源、歷史、用途，與它對人類無可取代的重要性！