◎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 looks simple, but nothing has changed the way we live more than the wheel. Could it be our greatest invention?
「看似簡單的輪子,它的發明,卻為人類的生活帶來史上最大的改變!」你可思索過第一個輪子是在何時、何種情況下被激盪出來的?為何大自然裡看不到天然的輪子?讓我們跟著此書,上下搖滾輪子的奧秘、體會發明輪子的壯舉!