那些开销包括了所有支出，如音乐课学费、牙医账单、汽车维修以及大学费用等等。
That includes everything from music lessons and dental bills to car repairs and college costs.
医生、牙医和化学家们开发出的牙粉中含有研磨牙齿的物质，如砖灰、碎瓷器、陶器和乌贼。
These powders were developed by doctors, dentists and chemists and included substances very abrasive to teeth, such as brick dust, crushed China, earthenware and cuttlefish.
医生是持有行医执照的人，如医生、外科医生、牙医或兽医。
A doctor is a person licensed to practice medicine, as a physician, surgeon, dentist, or veterinarian.
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