| 单词 | unknown origin |
| 释义 | unknown origin On one occasion a medical student was admitted after a recent overseas' elective, unwell with a fever of unknown origin. Times, Sunday Times They also found 'fragments of food and frozen pieces of meat of an unknown origin' that are being tested. Times, Sunday Times Doctors' call her condition 'static encephalopathy of unknown etiology', which means an insult to the brain of unknown origin or cause, and one that will not improve. Times, Sunday Times They continued a tradition of yet unknown origin. Retrieved from Wikipedia CC BY-SA 3.0 The terrestrial globe on the lower shelf repeats a portion of a cartographically imaginative map created in possibly 1530 and of unknown origin. Retrieved from Wikipedia CC BY-SA 3.0 |
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