Anders Wilhelmson says people can get back ten times what they paid by using the resulting fertilizer to grow vegetable gardens.
VOA: special.2010.03.15
It can come from animal sources and from vegetable sources, and the two have different impacts on health.
它可能来自动物,也可能来自植物,这两种对健康的影响各不相同
Now Susan Mayne, who is a Professor here in the School of Public Health, has done some very interesting work with an electronic device that can be passed over the palm of your hand and measures pigmentation in the hand as a way to assess vegetable intake in people.
苏珊·梅恩,我们公共卫生学院的教授,做了些值得关注的工作,通过电子设备,扫描你的手掌,测算其上色素沉淀,可以得出人们蔬菜的摄入量
Faulkner resisted. He said,if you grow a vegetable, you can cut it to look like something else, but it will be dead.
VOA: special.2010.01.03
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