blotch是什么意思？

blotch

英[blɒtʃ] 美[blɑtʃ]

• n. （皮肤上的）红斑，疹块，大滴 [大片]（墨水或颜色的）污渍；
• vt. 使沾上污渍，弄脏；

复数：blotches;

例句

• 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.
• His face was covered in ugly red blotch es. 他脸上有许多难看的红色大斑点.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  （不雅的）斑，斑点
  A blotch is a small unpleasant-looking area of colour, for example on someone's skin.
  例句
  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。

英汉词典释义

• vt.
  使沾上污渍,弄脏
  any of various pale blotched snakes 带有灰白色斑点的蛇

英英词典释义

• Noun
  1. an irregularly shaped spot
• Verb
  1. mark with spots or blotches of different color or shades of color as if stained

行业词典

• 农学： 疤斑；
  医学： 污斑，污点；