1. The snow is falling in large flakes.
    下着鹅毛大雪。

2. Then, almost 400 years ago, an Italian scientist named Galileo began to question Aristotle´s theory of falling objects.
    后来, 大约在四百年前, 一位名叫伽利略的意大利科学家开始怀疑亚里斯多德的落体学说.

3. Thus the rods, by falling, and by the direction in which they fell, recorded for the slumbering scientist the strength of a shock that was too weak to waken him, and the direction from which it came.
    由于地震太弱而未惊醒科学家时，木棒倒下的多少和倒下的方向就为科学家记录下了地震的强度和地震方向。

4. Then at last the miracle happened for which his unconscious mind had been seeking for so long. Falling into a sleeplike condition, he suddenly felt as though he were sinking in a mighty flood of water, and the rush and roar soon took musical shape wi
    终于，他的潜意识长期以来一直在寻找的奇迹发生了。他进入了似睡非睡的朦胧状态，骤然间感觉到自己仿佛掉进了滔滔洪水之中,不断在下沉，很快，洪水的冲击声和咆哮声以音乐的形式呈现在他的脑海里。

5. To reduce these seniors' risk of falling, Tinetti used multiple methods, including having an exercise teacher go to a person's home and teach balance exercises.
    为了降低这些老年人摔跤的风险，蒂内提使用了多种方法，包括请运动教练登门教授平衡练习法。

6. As by falling into inaccessible caves, or into an ice crevasse,
    如掉进难以到达的洞穴，或掉进冰河裂缝里，

7. A cold drizzle was falling.
    冰冷的毛毛雨正在下。

8. At high speeds, falling cats have time to relax.
    在高速下落中，猫有时间放松自己。

9. Americans believe no one stands still. If you are not moving ahead, you are falling behind.
    美国人认为没有人会停止不前。如果你不求进取，就会落伍。

10. Although many people assume that balance and movement problems are inevitable with age, an increasing body of evidence demonstrates that exercise can help improve balance and strength in elderly individuals and reduce their chance of falling.
    尽管许多人认为难以保持平衡和活动不便的问题随着衰老而不可避免，但越来越多的证据表明，运动有助于老年人增强平衡能力和增长力气，可减少他们摔跤的可能性。

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