| 51. | Scientists agree that ultraviolet radiation from the sun is the leading cause of skin cancer . |
| 科学家们一致认为太阳紫外线辐射是导致皮肤癌的主要原因。
|
| 52. | cancer of the breast |
| 乳(腺)癌
|
| 53. | a major breakthrough in cancer research |
| 癌症研究方面的重大突破
|
| 54. | a revolution in the treatment of cancer |
| 在癌症治疗上的重大突破
|
| 55. | lead the world in cancer research |
| 在癌症研究方面走在世界前列
|
| 56. | a diagnosis of advanced cancer indicating an emergency operation |
| 诊断为晚期癌症,急需动手术
|
| 57. | invasive cancer cells |
| 扩散性癌细胞
|
| 58. | lung cancer |
| 肺癌
|
| 59. | cancer of the liver |
| 肝癌
|
| 60. | cancer cells |
| 癌细胞
|