canker

• n. [植保] 溃疡病；口疮；腐败的原由，弊害
• vi. 产生溃疡；腐败起来
• vt. 使患溃疡；使腐败

词源同cancer,癌。

canker (n.)

late Old English cancer "spreading ulcer, cancerous tumor," from Latin cancer "malignant tumor," literally "crab" (see cancer); influenced in Middle English by Old North French cancre "canker, sore, abscess" (Old French chancre, Modern French chancre). The word was the common one for "cancer" until c. 1700. Also used since 15c. of caterpillars and insect larvae that eat plant buds and leaves. As a verb from late 14c. Related: Cankered; cankerous. Canker blossom is recorded from 1580s.

1. Blighted stems often canker.

有病的茎往往溃烂.

来自《现代英汉综合大词典》

2. Is hypocrisy the canker of our society?

虚伪是我们社会的弊端 吗 ?

来自辞典例句

3. His dog has a canker in its ear.

他的狗的耳朵上有一处溃疡.

来自辞典例句

4. Unlike cold sores, canker sores appear inside the mouth.

不同于唇疱疹, 口腔出现在嘴里面.

来自互联网

5. The pathogenic fungi of pear canker disease is a new variety.

梨树腐烂病病原菌为一新变种.

来自互联网