大家都听说过这个故事：一个从树上落下的苹果砸中了牛顿的头，启发他发现了万有引力定律。
Legend has it that an apple which fell from its branches was the inspiration for Sir Isaac Newton's discovery of gravity.
只有他灰白的脸，打开的窗口可以看到炎热的八月的月亮，安静而温柔，如平静落下的苹果花，如艾伦轻柔的有酒窝的笑容。
A hot August moon in the open window. Soft as silence, quiet as apple blossoms falling, gentle as Ellen's dimpled smile.
l 牛顿在林肯郡家乡的花园看到苹果从树上落下，他受到启发，因而发现了地心引力。
Newton’s ideas were inspired by seeing an apple fall from a tree in the garden of his home in Lincolnshire.
这也就是说，当我让苹果落下时……，…今天又得摔一个苹果-，它的速度会渐渐增加。
That means when I drop an apple — - and I'm going to drop another one today — that the velocity increases with time.
旧金山(CNN) -消费类电子技术巨头们加入了在线云储藏服务的市场争夺战，苹果公司当然不会被落下。
San Francisco (CNN) — Consumer technology giants are battling to provide the place where you store your files, and Apple is not about to be left out.
然而，对于里面的宇航员来说，这看起来就好像是苹果以某个加速度“落下来”一样，掉在地板上之后，由于自身的“重量”而一直压在地板上。
For the astronaut inside, however, this will look as if the apple 'falls down' with certain acceleration and after hitting the floor remains pressed to it by its own 'weight'.
后来，到了春天，树长出了清香的花朵。夏天时，苹果开始生长。它们长得越来越大。到了秋天，苹果开始从树上落下来。
Then, in spring, it grows sweet flowers. During the summer, apples begin to grow. They grow bigger and bigger. In autumn, they began to fall from the tree.
牛顿认识到，为了使物体运动，无论是一个苹果从树上落下，还是海洋中的潮涨，都得有一种力存在。
Newton realized that in order to get an object to move, whether it was an apple that fell out of a tree or the tides that rose in the oceans, there had to be a force present.
成熟的苹果开始从树上落下来了。
满地是苹果树上飘落下来的花瓣，地上一片雪白。
The ground was as white as snow with petals that had drifted down from the apple trees.
她回答道：「当然可以呀，可苹果落下来会砸着我的脑袋。」说完继续赶路。
Butt she answered, "Oh yes, one could fall on my head, " and with that she walked on.
是Johnny先说出口的：“那些苹果可都落下来了。”他说。
It was Johnny who first put it into words: "Them apples is coming down," he said.
看到了苹果落下，牛顿认为，树的顶部有一股使得苹果落下的引力，甚至可以延伸到月球上去的引力。
After seeing the apple falling, Newton thought that the force making falling must extend to the top of the tree and maybe even to the moon.
这位身体虚弱的老农每年秋天捡拾从自家苹果树上落下来的果子。
EXAMPLE 2: The frail old farmer gathers windfall each autumn from his apple trees.
这位身体虚弱的老农每年秋天捡拾从自家苹果树上落下来的果子。
EXAMPLE 2: The frail old farmer gathers windfall each autumn from his apple trees.
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