skin cankers
plant cankers
spread like cankers
A: Do you think these spots on the leaves are cankers?
A：你认为叶子上的这些斑点是溃疡病吗？
B: Yes, we need to treat the cankers before they spread.
B：是的，我们需要在它们蔓延之前处理这些溃疡。
1) 医疗：指皮肤上的溃疡。
2) 植物学：指植物组织的坏死病斑。
3) 比喻：指破坏性的因素或恶习。
1. 溃疡，疮
noun
1. an ulcerous sore on the skin or on a plant
2. something that causes corruption or decay
Synonym: sores, ulcers, corruptions