1. Roentgen discovered X-rays; Darwin found many new species on the Galapagos Islands. 
   伦琴发现了x射线；这里发现了很多古物。
2. (Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays. 
   （人体伦琴当量）致电离辐射量相当于伦琴x射线对人体组织所造成的伤害。
3. In fact, the very first radiograph of human anatomy was of Mrs.Roentgen's left hand, revealing the skeleton inside. 
   实际上，第一张解剖学上的x光照片就是能显示内部骨骼的伦琴夫人的左手。
4. Roentgen decided that the tube must have been emitting some sort of penetrating rays. He named them X for unknown. 
   伦琴认为阴极射线管一定在发射某种穿透力极强的射线，他称这种未知的射线为x射线。
5. In 1895, Wilhelm Roentgen accidentally discovered that a cathode-ray tube could make a sheet of paper coated with barium platinocyanide glow, even when the tube and the paper were in separate rooms. 
   1895年，威廉·伦琴偶然发现阴极射线管能使涂有一层氰亚铂酸盐钡的薄相纸发光，甚至当阴极射线管和相纸分别放在不同的房间时也能发光。

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