translation.en: But the problem was that the gamma detectors were these huge, bulky tubes, and they were filled with these scintillating crystals, and you just couldn't get them close enough around the breast to find small tumors.
translation.zh: 但问题是 伽马线的探测器 是这种块头巨大的显像管， 里面塞满这样亮晶晶的晶状物， 你根本没有办法把它们放到距离乳房足够近的地方 去找到小肿瘤。