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 canker ['kæŋkɚ]   添加此单词到默认生词本
n. 溃疡, 腐蚀因素

vi. 患溃疡, 腐蚀, 溃烂

vt. 使患溃疡, 使腐蚀

[医] [坏疽性]溃疡


  1. Drug addiction is a dangerous canker in society.
    吸毒成瘾是腐蚀社会的一大祸害。
  2. His dog has a canker in its ear.
    他的狗的耳朵上有一处溃疡。
  3. Our cat has a canker in its ear.
    我们的猫耳朵里有一处溃疡。


canker
[ noun ]
  1. a fungal disease of woody plants that causes localized damage to the bark

  2. <noun.state>
  3. an ulceration (especially of the lips or lining of the mouth)

  4. <noun.state>
  5. a pernicious and malign influence that is hard to get rid of

  6. <noun.cognition>
    racism is a pestilence at the heart of the nation
    according to him, I was the canker in their midst
[ verb ]
  1. become infected with a canker

  2. <verb.body>
  3. infect with a canker

  4. <verb.body>


Canker \Can"ker\ (k[a^][ng]"k[~e]r), n. [OE. canker, cancre, AS.
cancer (akin to D. kanker, OHG chanchar.), fr. L. cancer a
cancer; or if a native word, cf. Gr. ? excrescence on tree, ?
gangrene. Cf. also OF. cancre, F. chancere, fr. L. cancer.
See {cancer}, and cf. {Chancre}.]
1. A corroding or sloughing ulcer; esp. a spreading
gangrenous ulcer or collection of ulcers in or about the
mouth; -- called also {water canker}, {canker of the
mouth}, and {noma}.

2. Anything which corrodes, corrupts, or destroy.

The cankers of envy and faction. --Temple.

3. (Hort.) A disease incident to trees, causing the bark to
rot and fall off.

4. (Far.) 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.

5. A kind of wild, worthless rose; the dog-rose.

To put down Richard, that sweet lovely rose.
And plant this thorm, this canker, Bolingbroke.
--Shak.

{Black canker}. See under {Black}.


Canker \Can"ker\ (k[a^][ng]"k[~e]r), v. t. [imp. & p. p.
{Cankered} (-k[~e]rd); p. pr. & vb. n. {Cankering}.]
1. To affect as a canker; to eat away; to corrode; to
consume.

No lapse of moons can canker Love. --Tennyson.

2. To infect or pollute; to corrupt. --Addison.

A tithe purloined cankers the whole estate.
--Herbert.


Canker \Can"ker\, v. i.
1. To waste away, grow rusty, or be oxidized, as a mineral.
[Obs.]

Silvering will sully and canker more than gliding.
--Bacom.

2. To be or become diseased, or as if diseased, with canker;
to grow corrupt; to become venomous.

Deceit and cankered malice. --Dryden.

As with age his body uglier grows,
So his mind cankers. --Shak.

  1. Last September, the USDA published a proposal to lift the quarantine against Florida fruit, but on Jan. 5 withdrew the proposal after new canker outbreaks were discovered in Florida.
  2. Florida producers must take a number of actions to ensure their fruit does not introduce citrus canker into other states.
  3. Statewide, more than 20 million nursery-stock or newly planted trees were burned after inspectors discovered what they thought was a virulent strain of incurable citrus canker in August 1984.
  4. The Florida fruit was quarantined after an outbreak of citrus canker in parts of Florida in the fall of 1984.
  5. Scientists now say the nursery strain of canker primarily produces mild spotting of fruit and leaves, adding that neither affects the quality of the fruit or juice and canker does not harm people.
  6. Scientists now say the nursery strain of canker primarily produces mild spotting of fruit and leaves, adding that neither affects the quality of the fruit or juice and canker does not harm people.
  7. Robert Griffith, chief of the bureau of pest eradication for the Florida Department of Agriculture and Consumer Service, said he had never heard of canker being found on mature citrus fruit that was ready to be shipped.
  8. The bacterial canker disease can cause defoliation of citrus trees, lesions that render the fruit unmarketable, and premature dropping of the fruit from the tree.
  9. Even resistance to apple canker, troublesome on some varieties, is being investigated.
  10. It was believed to be a rapidly spreading Asiatic strain of citrus canker, which can devastate groves.
  11. Texas citrus growers and agriculture officials barred the Florida fruit from the state, saying the risk of canker, which causes defoliation and mars fruit, still existed.
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