I operated enthusiastically but as the months progressed I watched in horror as greenbone fell out of the wound.
我很热心做此手术，但几个月后，我惊恐地发现伤口下露出绿颜色的骨质。
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In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing green-a hallmark of the antibiotic tetracycline.
In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing green — a hallmark of the antibiotic tetracycline.