a large irregular patch or unsightly mark on a surface, typically the skin (尤指皮肤上的)斑块,疹块,污块 red blotches on her face. 她脸上的红斑。
verb
(一般作 be blotched)cover with blotches 给…弄上斑块,弄脏
派生 blotchy adjective 语源
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 blotand botch