canker

US /-kɚ/
UK /-kɚ/
"canker" picture
1.

溃疡病, 树木溃疡

a destructive fungal disease of trees and plants, causing bark to fall off and leading to cankers.

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The apple tree was severely affected by canker, with large lesions on its branches.
苹果树受到溃疡病的严重影响，树枝上有大片病斑。
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To prevent canker, it's important to prune trees properly and protect them from injury.
为了预防溃疡病，正确修剪树木并保护它们免受伤害很重要。
2.

口腔溃疡, 口疮

a small, painful ulcer in the mouth or on the lips.

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I have a painful canker sore on my tongue that makes it hard to eat.
我舌头上有一个疼痛的口腔溃疡，吃东西很困难。
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Some people get frequent canker sores when they are stressed.
有些人压力大时会经常出现口腔溃疡。
:
ulcersorelesion
1.

侵蚀, 腐蚀

to infect with canker; to corrupt or spoil.

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The disease began to canker the entire orchard, threatening the year's harvest.
这种疾病开始侵蚀整个果园，威胁到今年的收成。
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His bitterness began to canker his relationships with friends and family.
他的痛苦开始腐蚀他与朋友和家人的关系。
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corruptspoildecayerodeblight