Now to destroy lesions by laser beams without damaging the stomach wall , Doctor Sameul fires.

于是塞谬尔医生运用激光消除创口,而不会损伤胃壁.

英语晨读30分（高三）

In addition, the albumin also has the protective function to the stomach wall.

此外, 白蛋白对胃壁还有保护作用.

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