blotch
noun /blɒtʃ/
/blɑːtʃ/
- a mark, usually not regular in shape, on skin, plants, material, etc.
（皮肤、植物、物体等上面不规则的）斑点，污点 - 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。
词源early 17th cent. (as a verb): partly an alteration of obsolete plotch in the same sense (of unknown origin), influenced by blot; partly a blend of blot and botch. - He had come out in (= become covered in) dark red blotches.