资料来源 : pyDict

擦掉,抹掉,涂掉,遮住,使模糊;消灭,摧毁

资料来源 : WordNet®

blot out
     v : make undecipherable or imperceptible by obscuring or
         concealing; "a hidden message"; "a veiled threat" [syn: {obscure},
          {obliterate}, {veil}, {hide}]