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Robots Go To Work for Dentists and Patients
2014-12-25来源:VOA
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dentist – n. a person whose job is to care for people’s teeth
dental crown – adj. and n. a covering for a damaged or implanted tooth
impression – n. something (such as a design or footprint) made by pressing or stamping a surface
wand – n. an electronic device used to gather information
mill – v. to produce (something) by grinding, crushing or cutting
obsolete – adj. no longer used because something newer exists
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