1. To subject(food) to partial digestion, usually through an enzymatic or chemical process, before ingestion. 
   预先消化在吸收之前，通常通过酶或化学过程使（食物）部分地消化
2. Animal waste is the best food for the soil; but chemical fertilizers are also very useful. 
   动物的粪便是土壤的最好养料，当然化肥也非常有用。
3. To convert(food) into simpler chemical compounds that can be absorbed and assimilated by the body, as by chemical and muscular action in the alimentary canal. 
   消化在消化管中通过化学的和肌肉的作用，将（食物）转变成能被身体吸收和同化的简单化学混合物
4. In 1995 a government department published the Procedures on the Administration of Organic (Natural) Food Labelling. Organic (natural) food unpolluted by chemical fertilizers and farm chemicals has now appeared in China. 
   1995年，中国有关部门发布了有机(天然)食品标志管理办法，完全不使用化肥和农药的有机(天然)食品已在中国问世。
5. Under the food surveillance programme, 57 906 samples were taken in 2001 for chemical, microbiological and/or radiological testing to ensure that consumers were not exposed to contaminations in food that night pose a health risk. 
   二零零一年，食物环境卫生署按照食物监察计划，抽取了57906个样本进行化学、微生物及／或辐射化验，确保消费者不会接触到食物中会危害健康的污染物。

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