慢速英语:Researchers Work on 3-D Printing of Living Tissue

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automate – v. to run or operate (something, such as a factory or system) by using machines, computers, etc., instead of people to do the work

biofabrication – n. the process of creating new tissue

laser – n. a device that produces a narrow and powerful beam of light that has many special uses in medicine, industry, etc.

tissue - n. living material; a group of cells that are similar in appearance and do the same thing