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

• 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
• It has yellow flowers in various shades of yellow, with varying degrees of penciling or red-brown lines and sometimes with a red-brown circular blotch above the gland.
  花黄色，但常有一系列明暗深浅的变化。花瓣上富于变化的棕红色线条，有时在蜜腺上部有一圈棕红色的斑点。
• Lambchop-shaped black blotch on caudal peduncle.
  形状的黑色斑块在尾梗上。
• Seed transmission and infecting factors of watermelon bacterial fruit blotch
  西瓜细菌性果腐病病种子带菌试验和发病因素的研究
• In this paper, the occurrence of watermelon bacterial fruit blotch was first reported in Jilin province.
  首次报道了西瓜细菌性果斑病在吉林省的发生。
• 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。
• 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
• A spot or blotch of color. clear from impurities, blemishes, pollution, etc..
  斑点有色的污点或污渍去除杂质污渍污染等。
• The study has carried on several research to cucurbit bacterial fruit blotch through modern molecular identification and traditional biological methods.
  本研究采用现代分子生物学鉴定技术与传统的生物学研究模式相结合的途径，对瓜类细菌性果腐病病原菌鉴定和生物学特性进行了多项研究。