blotch
	英 [blɒtʃ]
美 [blɑtʃ]
	    
		助记提示
	
	1、blot + botch.
		英文词源
	
	- blotch (n.)
 - c. 1600, perhaps a blend of blot and botch or patch.
 
 
		双语例句
	
	- 1. His face was covered in ugly red blotch es. 
  - 他脸上有许多难看的红色大斑点.
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- 2. 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.
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- 3. 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.
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- 4. 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.
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- 5. Far below, the railroad yard squealed, a small busy blotch on the ancient silent desert. 
  - 远在山下, 铁路停车场里还在呜呜作响,发出铿锵的声音,在这片古老 、 沉寂的沙漠中只是一个忙忙碌碌的小斑点.
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