ulceration
n.溃疡
难易程度:
ulceration为短语/超纲词汇
ulceration
/,ʌlsə'reɪʃn; ,ʌlsə`reʃən/
n
*severe ulceration of the legs 腿部的严重溃烂.
n
*severe ulceration of the legs 腿部的严重溃烂.
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