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

• A blue egg with an odd grey blotch on the top and a tan blotch on the bottom.
  蓝色鸡蛋一个奇怪的灰色斑点的顶部和谭病的底部。
• The classic algorithms are reviewed before introducing a novel multi-step blotch detection and verification algorithm named MDV.
  第四，对传统的斑块检测和修复算法进行了介绍，提出了多步斑块检测及校验算法MDV。
• 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。
• Pathogen identification of bacterial fruit blotch of watermelon in Fujian
  福建省西瓜细菌性果斑病的病原鉴定
• But there had no blotch in negative control.
  而阴性（空白）对照则相对应位置上无斑点。
• 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。
• The Diversity and Pathogenicity of Burkholderia Cepacia Complex Strains in the Rhizospheres of Main Cereal Crops; purple blotch of onion
  洋葱伯克氏菌在重要禾本科作物根围的多样性及其致病性研究
• An Improved MRF-based Algorithm for Blotch Detection in Archived Film
  一种改进的基于MRF模型的斑块检测算法
• This blotch may become faint in larger species.
  此斑可能变得更大的物种微弱。
• 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。