n.(植物和树木的)溃疡病，枝枯病，(尤指猫狗耳部的)溃疡，痈，疮，(蔓延并影响人的行为的)邪恶，祸害，祸患，腐败
vi.使溃疡受到腐蚀，生黑腐病，溃烂

原形：canker第三人称单数：cankers复数：cankers过去式：cankered过去分词：cankered现在分词：cankering

The canker had spread to several branches of the tree.
这个溃疡病已经蔓延到树的好几个枝条上。
She woke up with a canker sore on her tongue.
她醒来时发现舌头上有个口腔溃疡。
The political corruption was a canker at the heart of the administration.
政治腐败是政府核心的一个毒瘤。
He's been troubled by canker sores since childhood.
他从小就有口腔溃疡的烦恼。
The canker in the rose bush needs to be treated immediately to prevent further damage.
玫瑰丛中的溃疡病需要立即处理，以防进一步损害。
Stress and poor diet can exacerbate the frequency of canker sores.
压力和不良饮食会加剧口腔溃疡的发生频率。
The cankerworm has devastated our apple orchard this season.
茎溃疡病虫今年摧毁了我们的苹果园。
Applying aloe vera gel to the canker sore can provide soothing relief.
在口腔溃疡上涂抹芦荟胶可以提供舒缓的缓解。
The neglected infection turned into an open canker.
忽视的感染变成了开放性溃疡。
Early detection and treatment of canker in fruit trees is crucial for a healthy harvest.
对果树上的溃疡病进行早期发现和治疗对获得健康收成至关重要。