Koch showed that animals injected with anthrax germs soon got the disease. Pasteur developed a vaccine to slow down the multiplication of the germs.是什么意思_Koch showed that animals injected with anthrax germs soon got the disease. Pasteur developed a vaccine to slow down the multiplication of the germs.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句