"人们误以为'久坐(Sedentary)'等同于' 不运动 ( no exercise )',事实上如果有人天天在健身房锻炼30至45分钟,剩下时间照旧坐着,他们的生活体式格局仍属于'久坐'。"
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如今,健康专家宣扬说,即使少量的运动也比一点不运动要好得多。
Health experts are now preaching that even a little exercise is far better than none at all.
经常做运动的人比几乎不运动的人少生病。
The people who often play sports have less illness than those who seldom play sports.
It was impossible-- doctors and scientists showed, runners, athletes, the top-ones in the world proved that the doctors were right.
那是不可能的,医生和科学家证明了,跑手,运动员,世上顶尖选手证明了医生们是对的。
when other people that might not have been involved with the sport wouldn't really know what to do.
而或许没参与过这项运动的人连做什么都不知道。
That is why we don't worry about the motion of the nucleus 1 because the ratio of mass is about 2,000 to one.
这就解释了为什么我们不担心,原子核运动起来,因为原子核和电子的质量比约为2000:
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