1. But until recently, the academic edge gained by participating in sports was thought to come from the increased self-confidence, the better mood, and the ability to concentrate that comes from burning off steam in exercise.
    但直到最近，人们还认为因参加体育运动而获得的学业优势来自于增强的自信、更好的心态，以及由运动时消耗体力所带来的集中注意力的能力。

2. Balanced at the edge of a narrow white platform, I am about to jump head first into a hot new phase of Japan's leisure boom: indoor sky diving, without a parachute.
    我在一块窄窄的白色跳板前端站稳，准备头朝下跳出去。这一跳将跳进日本休闲热中的一个崭新的热门项目：室内蹦极跳，不带降落伞的。

3. Why does a person standing in a bus or train tend to fall when a sudden start is made?
    一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？

4. We may see only a sliver of light along one edge.
    我们只能看到一个边缘的月牙形光条，

5. These fall into the same category.
    这些独成一类。

6. These matters fall within/go beyond the cognizance of this court.
    这些问题在本法庭审理范围之内(外).

7. The bush acted as a cushion to my fall.
    灌木在我摔下时起了缓冲作用。

8. The fall of the river here is two feet.
    此地的河水降落两英尺。

9. The day of retribution shall fall upon him.
    他遭报应的一天就会到来。

10. The dish now had to be lifted vertically because one edge was resting against the side of the canal.
    馅饼盘必须垂直提升，因为盘的一边靠在运河侧面。

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