一会儿看图,一会儿回来写很辛苦啊!
看你这么晚了也不容易,早点睡吧,熊孩子.
Isaac Newton rest under on the apple tree one afternoon in1665.
A apple fell on his head while he was sleeping.
He thought about the falling apples for many years.
One day,suddenly,he was excited because of coming up with the answer and he started writing about this book.
Finally publishers published his theory of gravitation which is the most important book in the history of science.