| 单词 | ulcer |
| 释义 | ulcer /ul"seuhr/, n. 1. Pathol. a sore on the skin or a mucous membrane, accompanied by the disintegration of tissue, the formation of pus, etc. 2. See peptic ulcer. 3. any chronically corrupting or disrupting condition, element, etc. [1350-1400; ME < L ulcer- (s. of ulcus); akin to Gk hélkos] |
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