It takes a lot of land and water 61 ( grow) animals. People might one day grow meat in factories instead of having to harvest it from farmed animals. Growing meat in- a lab could mean 62 (use) fewer animals 'and lowering the 63 ( environment) costs of raising livestock (牲畜).So far, no attempts at lab-grown meat 64 (manage) to match the texture(结构,口感)of the animal muscles eaten as meat. One new development does this by using a technique of making cotton candy. It grows meat with more structures.Researchers have already known how to grow cells, 65 are the basis of meat. However, a pile of cells does not have the chewy texture of a chicken breast. Cells without a support 66 (be) more like a soup, or at best a meatball. The new process resembles 67 way that cotton candy is made, except that it uses gelatin (明 胶)instead of melted sugar. The lab-grown samples all look like the different natural 68 (meat). And they have similar material nature, too. The nature affects how chewy, springy or soft the meat is. 69 controlling how the gelatin fibers are twisted, the scientists can set the fibers' arrangement and spacing, which determines 70 the man-made meat ends up more like a burger or a steak.
It takes a lot of land and water 61 ( grow) animals. People might one day grow meat in factories instead of having to harvest it from farmed animals. Growing meat in- a lab could mean 62 (use) fewer animals 'and lowering the 63 ( environment) costs of raising livestock (牲畜).So far, no attempts at lab-grown meat 64 (manage) to match the texture(结构,口感)of the animal muscles eaten as meat. One new development does this by using a technique of making cotton candy. It grows meat with more structures.<br>Researchers have already known how to grow cells, 65 are the basis of meat. However, a pile of cells does not have the chewy texture of a chicken breast. Cells without a support 66 (be) more like a soup, or at best a meatball. The new process resembles 67 way that cotton candy is made, except that it uses gelatin (明 胶)instead of melted sugar. The lab-grown samples all look like the different natural 68 (meat). And they have similar material nature, too. The nature affects how chewy, springy or soft the meat is. 69 controlling how the gelatin fibers are twisted, the scientists can set the fibers' arrangement and spacing, which determines 70 the man-made meat ends up more like a burger or a steak.
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