基本解释adj.害 canker 的；腐烂的；不怀好意的同根派生 英汉例句Drug addiction is a dangerous canker in society.吸毒成瘾是腐蚀社会的一大祸害。英英字典剑桥英英字典(TREE) a cankered tree or fruit is affected by the canker disease(BAD) evil, unhealthy, or decayed