blotch

英 [blɒtʃ]

美 [blɑːtʃ]

n.  (皮肤、植物、物体等上面不规则的)斑点，污点

复数：blotches　过去分词：blotched　过去式：blotched　现在分词：blotching　第三人称单数：blotches　

GRE医学

BNC.23122 / COCA.21129

牛津词典

noun

• （皮肤、植物、物体等上面不规则的）斑点，污点
  a mark, usually not regular in shape, on skin, plants, material, etc.
  1. He had come out in (= become covered in) dark red blotches.
     他身上长出了一块块深红色的斑。

柯林斯词典

• N-COUNT （不雅的）斑，斑点
  Ablotchis a small unpleasant-looking area of colour, for example on someone's skin.
  1. His face was covered in red blotches, seemingly a nasty case of acne.
     他满脸红斑，像是起了很严重的粉刺。

英英释义

noun

• an irregularly shaped spot
  Synonym:splodgesplotch

verb

• mark with spots or blotches of different color or shades of color as if stained
  Synonym:mottlestreak

双语例句

• Melon Bacterial Fruit Blotch ( BFB) was an important disease in local melon production.
  细菌性果斑病是当地甜瓜生产中的重要病害。
• Disease occurrence and resistance evaluation of different wheat cultivars ( lines) to wheat leaf blotch
  不同小麦品种（系）叶枯病田间发病情况及抗性评价
• These results showed that the kinds of the pathogens of apple sooty blotch and flyspeck were of high diversity, probably including some special types.
  以上结果显示，我国苹果煤污病和蝇粪病病原菌菌体类型具有丰富的多样性，其中可能包括一些特殊的类型。
• He pointed to a dark blotch upon the starry sky some miles astern of us.
  他指着我们身后繁星点点的天空中的一朵乌云。
• Lambchop-shaped black blotch on caudal peduncle.
  形状的黑色斑块在尾梗上。
• Sooty blotch has become one of the most important diseases on many ornamental plants.
  实践证明煤污病是园林植物的一类重要病害。
• Sometimes, motion vectors may be far away from the true motion vector in the blotch area.
  在斑点存在的区域，运动向量的估计可能会出现较大的偏差。
• Effects of Bagging and Preharvest Calcium Spray on Fruit Blotch of Washington Navel Orange Peel
  采前喷钙和套袋对华盛顿脐橙果皮病变的影响
• Description and Identification of the Causal Organism of Bacterial Fruit Blotch of Watermelon
  西瓜细菌性果斑病症状描述和病原菌鉴定
• Bacterial fruit blotch of watermelon and bacterial canker of tomato are both international and national quarantine diseases of China.
  西瓜果斑病和番茄溃疡病都是我国对内和对外的植物检疫性细菌病害。