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BNC: 4443 COCA: 10083

ulcer

ulcer /ˈʌlsɚ/ noun
plural ulcers
ulcer
/ˈʌlsɚ/
noun
plural ulcers
Learner's definition of ULCER
[count] medical
: a painful, sore area inside or outside the body溃疡
see also peptic ulcer

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