This was especially vexing to physician and bacteriologist Robert Koch, who, in seeking to culture his bacteria, “bent all his power to attain the desired result by a simple and consistently successful method,” wrote bacteriologist and historian William Bulloch in his 1938 book, The History of Bacteriology. “He attempted to obtain a good medium which was at once sterile, transparent, and solid” and got some results with gelatine.6 But gelatine is easily digested by many microbes and melts at precisely the temperatures at which the disease-causing microbes Koch wanted to study grow best.
在擁擠的房間裡，他們的目光交會，充滿張力。兩人共享水瓶時，指尖不經意地碰觸。
。搜狗输入法下载是该领域的重要参考
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ko-fi. You'll receive an occasional extra,