医生：手术减肥的工具未充分使用

stomach – n. the organ in your body where food goes and begins to be digested after you swallow it

obese – n. very fat : fat in a way that is unhealthy

insulin – n. a substance that your body makes and uses to turn sugar into energy

height – n. a measurement of how tall a person or thing is

therapy – n. the treatment of physical or mental illnesses

chronic – adj. continuing or occurring again and again for a long time

oral – adj. by the mouth

unit – n. a standard measurement