a device made of silicone that is put around the upper section of a person’s stomach to help them lose weight by reducing the amount of food that they are able to eat 束胃带,胃束带,束胃环(硅胶制,置于胃部顶端,通过减少胃纳助人减肥) He’s had a gastric band fitted to help him lose weight. 他安装了一个胃束带来帮助他减肥。 a gastric band operation 胃束带手术 gastric band surgery 胃束带手术