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（单词翻译）
World's first lab-grown burger
Vocabulary
livestock farming
the farming of animals such as cows, chickens and sheep
to satisfy
to meet a need
demand
the amount of a product or service that people want
the real thing
the original, not a copy
a work in progress
something that is happening or being done
stem cells
cells, usually from a human or animal, that can develop into any other kind of cell
technologists
people who work with a certain type of technology (in this report, food)
development process
the steps in creating a new product or method
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