药物经常是用草药、植物、矿物质水、以及可取的动物的器官制成。
Medicines are often made from herbs, plants, mineral water and organs from unfortunate animals.
我们生病时服用的药物中有25%是由只生长在热带雨林中的植物制成的。
25% of the drugs we take when we are sick are made of plants that grow only in rainforests.
找到一种植物，[辨别它的确切用途]然后申请专利并制成药物所需要的平均时间是十到十五年，[所以]这是一项长期投资。
Ten to fifteen years is the average time between finding the plant, [identifying its exact use] and patenting it into a drug [so] it is a long-term investment.
这一术语开始使用，很可能是因为多数早期药物是用晒干植物制成的。
The term probably came into use because most early drugs were made from dried plants.
有用的药物是由无机物质制成的，或者是植物和动物的副产品。
Useful drugs are made from inorganic substances or are plant and animal by-product.
有用的药物是由无机物质制成的，或者是植物和动物的副产品。
Useful drugs are made from inorganic substances or are plant and animal by-product.
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