alimentary system meaning in English

进食方法
食物加热器
消化系统

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。
True , you am going away on a holiday : but don t please be quite so indecently elated about it . believe me , whatever god there is is slowly eliminating the guts and alimentary system from the human being , to evolve a higher , more spiritual being
不错，你要旅行去了，但是请你不要高兴得这样没有分寸，相信你吧，如有个上帝在，管他是什么上帝，他会把人类肉体里的肠胃淘汰了。