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　

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。

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。

noun

verb

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

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
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
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。
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
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。
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。
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。
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。
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。
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