- a disintegration of the surface of the skin or a mucous membrane resulting in an open sore that heals very slowly
See also peptic ulcer - a source or element of corruption or evil
单词 | ulcer |
释义 | WordReference Random House Learner's Dictionary of American English © 2024 ul•cer /ˈʌlsɚ/USA pronunciation n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024
ul•cer (ul′sər),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: ulcer /ˈʌlsə/ n
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