Producing meat in Petri dishes is not commercially viable,
在培养皿中生产肉不具有商业可行性,
but Dr Post hopes to scale things up.
但Post博士希望把规模成倍扩大。
first by growing the cells on small spheres floating in tanks and ultimately by using scaffoldsmade of biodegradable polymer tubes,
首先把细胞培养在大容里面的球形漂浮物上,最后再使用可降解聚合物试管做支承,
which would both add the third dimension needed for a juicy steak and provide a way ofdelivering nutrients and oxygen to the steak s interior.
这样既能增加多汁牛肉所需的视觉真实感,还能提供传递营养和氧气到牛肉内部的通路。
The nutrients themselves could come from conventional crops,
那些营养物质可以从普通农作物中获取,
but Dr Post also has plans to use algae, which grow faster than vascular plants, to provide thenecessary amino acids, sugars and fats.
但Post博士计划使用藻类,因为它们比那些维管植物长的要快,以此提供所需的氨基酸、糖类和脂肪。
The upshot would be a world with fewer stock animals.
这样最终结果将是世界再也不必饲养那么多动物,
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