1. He had bad digestion, fevers and numberless other illnesses. 他有“消化”“不良”、发烧、以及其它数不尽的病。
2. Eating less but more nutritious food source translates into less energy expended in the act of digestion. 吃得更少但营养更多的食物来源转译为在消化行为中，能量消耗得更少。
3. Regular sleep habits and relaxation will help regulate the body, promote digestion of food and waste discharge. 有规律的睡眠及松弛习惯有助于调节身体，促进食物的消化及废物排泄。
英英解释
n.
1. the process of decomposing organic matter (as in sewage) by bacteria or by chemical action or heat
2. the organic process by which food is converted into substances that can be absorbed into the body
3. learning and coming to understand ideas and information
