美文赏析

　　3­D printers are very hot today.They are being put to all kinds

　　of uses，ranging from creating

　　car models for movies to architectural① models.However，none of these ideas

　　are as shocking as the one suggested by Anjan Contractor，who believes that they

　　will be the key to ending world hunger.

　　According to some experts，world

　　population will increase to 10－12 billion by the end of this century.This means

　　that food will become very expensive

　　and possibly，even out of reach，for

　　billions of people.

　　This is where 3­D printing may

　　save the day.Anjan thinks that the only

　　way to

　　solve the problem will be to

　　equip every kitchen with a 3­D printer

　　and print out meals from tubes of powder

　　and oil.He believes that these meals with a shelf life of over 30 years would result in less food wastage.

　　More importantly，it would be easier to make food from things that we now do not consider edible②.A great example of that is the protein③ from meat.Most experts believe that as the population

　　grows，the supply is not going to be

　　enough to feed everyone.Anjan believes that we could easily get the same protein from

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