我称这为破碎球效应。
体重溜溜球效应也不是好现象，体重反复增加和减少会拉伸皮肤并使它过于松弛。
Yo-yo dieting is another no-no. The repeated weight gain and loss stretches your skin and makes it loose.
由于地处高海拔地区，气压较低，因而作用在球上的阻力及升力所产生的空气动力效应也会发生相应反应，最终导致球在空中飞行速度比在低海拔地区快，飞行的路线也更直。
At altitude, the air pressure is lower, and so are aerodynamic effects such as drag and lift, ultimately causing balls to travel faster and straighter than they would at lower altitude.
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