fatty substance

• 脂肪物质

fatty substance的用法和样例：

例句

1. Segregation of fatty material is a serious problem in anaerobic sludge digestion units.
   厌氧污泥消化单元中脂肪物质的分离是个难题。
2. Crude fatty materials contain certain substances that are not hydrolyzed in the human alimentary system.
   原始脂肪物质含有一定量的不被人类消化系统水解的物质。