你如何将植物纤维一个个地用手折断，然后把它们变成一根足够结实到可以系住一艘重达数千吨的船的绳子呢？
How do you take plant fibers that individually you could break with your hands and turn them into a rope that's strong enough to moor a ship that weighs thousands of tons?
它重达1000吨，发射长程火箭，可以把伦敦或纽约炸成瓦砾，但是没有任何道路可以承受住它。
It would have weighed 1, 000 tons and fired a long-distance rocket that could have pounded London or New York into brick dust - but no road could support it.
研究显示，在你减去了想减的体重后，就算不再节食，但仍持续运动还是可以帮助你维持住减重的成果。
After you've lost all you want to and have quit dieting, continuing to exercise, research shows, helps maintain your weight loss.
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