| 单词 | contrast medium |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔cholangiography〕X-ray examination of the bile ducts following administration of a radiopaque contrast medium.胆管造影术：使用一种辐射不透明的对照物质进行处理的对胆管的X光检查美国传统〔encephalography〕Radiographic examination of the brain in which some of the cerebrospinal fluid is replaced with air or another gas that acts as a contrasting medium.脑照相术：在大脑的部分脑脊液被空气或其它可作为对比媒介的气体替代后所作的脑的射线照相检查方法美国传统 |
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