与人们的想象相反，青霉素这个曾被视为特效药的抗生素问世至今也只有50来年。
Today the number of plants used in medicine has decreased, but hidden away in many pills, capsules, and medicine bottles are the active chemicals originally found in the plant kingdom.
今天，植物用作药品的数量虽然减少了，但许多片剂、胶囊、瓶装药之中的有效化学物质却是源于植物王国。 However, the past few decades have witnessed an obvious diminution in the number of plant-derived drug introduced into medicine.
然而在过去十几年中，引入新的植物药的数量却明显的减少了。
The legacy of traditional Chinese medicine is a treasure house with an inexhaustible supply of new potentional drugs which is to be explored with an introduction of new approaches.
祖国医药遗产是一个取之不尽的新药宝库，它有待于我们用新的方法加以发掘。
Had pharmacological approaches not been introduced into the investigation of Vinca rosea , the discovery of the vincaleukoblastine would have been postpone by many years.
如果对长春花的研究不是引进药理学方法的话，长春新碱的发现恐怕要推迟好多年。
Western practitioners find it difficult to believe that someone who known nothing of a disease mechanism could still be capable of curing it.
西医很难相信一个对疾病机理一无所知的人却能治愈疾病。
When pharmaceuyical industry explores and develops a new drug, it fights against the microbial resistances to available antibiotics all the time. It is a very long day. /The antibiotics must be viewed as a precious resource only used cautiously in real needs.
制药工业在探索和开发新药的同时对抗不断增长的现有抗生素的微生物耐药性，这将是一条漫长的道路。必须将抗生素视为一种必须被谨慎使用并且仅在真正必须时才使用的宝贵资源。