That characteristic makes it ideal for working in applications where acid is present , whether that 's suturing up a perforated stomach or creating a protective lining for containers that hold caustic , acidic materials .

这个特性使得水溶胶应用于酸性的环境里：不管是缝合穿孔的胃或是给盛腐蚀性、酸性物质的容器作保护性衬垫。