单语范例（未经PONS编辑处理）
英语
- They contain 75% of the minerals, amino acids, proteins, phytohormones and biological catalysts (enzymes) found in the tree.en.wikipedia.org
- Chemical and biological catalysts tend to require very different reaction conditions, making their combination challenging.phys.org
- Nature was raided for exotic sources of biological catalysts: cereals, moulds, bacteria and even animal guts.www.dailymail.co.uk
- The biological catalysts that are added are called sucrases (in animals) and invertases (in plants).en.wikipedia.org
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英语