Weeks after she was discharged from hospital the burns became gangrenous and she needed skin grafts. The Sun (2015)Tragically it became infected and ultimately gangrenous. THE HUNTING OF MAN (2004)There was a complication and his leg became gangrenous and had to be amputated. Times, Sunday Times (2007)
偶尔使用。在柯林斯辞典中， gangrenous 是3万个最常用词之一。
gangrenous 的定义—— 柯林斯 英语词典
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