英语词汇black knot怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	black knot
释义	black knotn.（名词） A disease of the plum, the cherry, and related plants caused by the fungusApiosporina morbosa and resulting in black, knotlike swellings on the branches. 黑节瘤：李树、樱树和同属植物的一种疾病，由真菌梨孢菌引起，导致树枝上黑色节瘤状突起
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