ulcerate
[ˈʌlsəˌret]
vt.& vi.
(使某物)形成溃疡;
(使)腐败;
例句:
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In advanced stages the opaque corneas may ulcerate and even perforate.
在疾病后期,不透明的角膜可能产生溃疡,甚至穿孔.
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Aspirin can ulcerate the stomach lining.
阿司匹林能造成胃壁溃.
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The tumors are large but do not ulcerate through the skin.
瘤体大但皮肤不破溃.