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有些发明,是因为科学家看到了别人看不到的存在一战中,许多伤员因伤口感染而痛苦死去。参加战地救护的英国医生亚历山大·弗莱明立志找到能杀死病菌的药物。二战中投入使用的抗菌药青霉素挽救了大量伤员的性命,与原子弹和雷达被后人并称二战的三大发明。这种从青霉菌培养液中提制的药物是第一种针对人类传染病的抗生素.以其用途广、安全范围大的优良特性成为医院中必备的普通药品,迄今为止己从传染病手中抢回了数以百万计的生命。
Some inventions were made because scientists saw the existence of invisible people. In the First World War, many wounded people died of wound infection. Alexander Fleming, a British doctor who participated in field ambulances, is determined to find a drug that can kill germs. Penicillin, an antibacterial drug put into use during World War II, saved the lives of a large number of wounded people, claiming to be the three great inventions of World War II by the descendants of atomic bombs and radars. The drug, extracted from Penicillium broth, is the first antibiotic against human infectious diseases and has become an essential generic drug in hospitals due to its excellent properties and wide range of safety, Recover millions of lives.