植物根系能吸收土壤微生物产生的特定维生素，因此，在富含微生植物群和动物群的天然土壤中生长的植物含有更多营养素。
Plant roots are able to absorb certain vitamins produced by soil microorganisms, thus suggesting that plants grown in healthy soil, full of microflora and microfauna, are more nutritious.
想象自己是一个轻盈敏捷的高中生，正在和一群20多岁30多岁的大人一起跑步。
Picture yourself as a fit agile senior running along with 20 -, 30-year olds.
电影讲述了一群人在安第斯山脉零度以下的环境中生存下来的真实故事。
The film tells the true story of a group who survived in the Andes in sub-zero temperatures.
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