canker
n. 溃疡, 腐蚀因素 vi. 患溃疡, 腐蚀, 溃烂 vt. 使患溃疡, 使腐蚀
发音
词形变化
释义与例句
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1.
A plant disease marked by gradual decay.
可数 不可数 生物 植物学 医学 -
2.
A region of dead plant tissue caused by such a disease.
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3.
A worm or grub that destroys plant buds or leaves; cankerworm.
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4.
A corroding or sloughing ulcer; especially a spreading gangrenous ulcer or collection of ulcers in or about the mouth.
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5.
Anything which corrodes, corrupts, or destroys.
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6.
A kind of wild rose; the dog rose.
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7.
An obstinate and often incurable disease of a horse's foot, characterized by separation of the horny portion and the development of fungoid growths. Usually resulting from neglected thrush.
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8.
An avian disease affecting doves, poultry, parrots and birds of prey, caused by Trichomonas gallinae.
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9.
A crab.
可数 罕用 不可数
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1.
To affect as a canker; to eat away; to corrode; to consume.
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2.
To infect or pollute; to corrupt.
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3.
To waste away, grow rusty, or be oxidized, as a mineral.
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4.
To be or become diseased, or as if diseased, with canker; to grow corrupt; to become venomous.
不及物
词汇关系
同义词 2
上位词 3
相关短语
词源
From Middle English canker, cancre, from Old English cancer (“cancer; crab”), akin to Dutch kanker, Old High German chanchar. Ultimately from Latin cancer (“a cancer”). Doublet of cancer, a later borrowing from Latin, and chancre, which came through French.
来源：wiktionary