不同青贮玉米品种的可消化养分、总能、消化能及代谢能含量与积累量，随收获期推后呈递增趋势。
Contents and accumulation of digested nutrition, total energy, digested energy, metabolize energy in different silage maize increased with harvest time postponing.
它为何有益健康：番石榴富含一种能抗前列腺癌的番茄红素，而且含量比其他任何食物都要高，包括西红柿和西瓜。
Why it's healthy: Guava has a higher concentration of lycopene - an antioxidant that fights prostate cancer - than any other plant food, including tomatoes and watermelon.
的确，1999年对杰克逊的百年头发样本测试显示两种金属含量严重超标，确实能导致严重的健康隐患。
Indeed, a 1999 evaluation of Jackson's century-old hair samples revealed significantly elevated levels of both metals, which surely contributed to his severe health decline.
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