电影里还描述了南北极互换的场景，而实际上，地级倒转发生的时候，好比突然停止转动的地球把脚踏车用最大的速度丢出去一样。
If any kind of polar shift happened, it would be as if the entire planet turned the treadmill to MAX SPEED while standing stationary.
地球上最后一次地磁倒转大约是78万年前。
The last geomagnetic reversal for Earth was about 780,000 years ago.
一些科学家的理论认为，即使不是所有的毁灭地球上数以千计生物物种的大规模的灭绝与地磁倒转有关，也会有一些事件可能与地磁倒转有关。
Some scientists theorize that some, if not all of the mass extinctions that have wiped out thousands of species of life on Earth might be correlated with magnetic reversals.
一些科学家的理论认为，即使不是所有的毁灭地球上数以千计生物物种的大规模的灭绝与地磁倒转有关，也会有一些事件可能与地磁倒转有关。
Some scientists theorize that some, if not all of the mass extinctions that have wiped out thousands of species of life on Earth might be correlated with magnetic reversals.
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