A famous French chemist named Louis Pasteur discovered and proved, after many years of careful experiments on animals, that microorganisms were responsible for certain infectious diseases.
A famous French chemist named Louis Pasteur discovered and proved, after many years of careful experiments on animals, that microorganisms were responsible for certain infectious diseases.
一位名叫路易斯·巴斯德的法国化学家在经过多年细致的动物实验后，发现并证实了微生物是诱发某些传染病的原因。