smirch

v.  弄脏; 污蔑; 诋毁
n.  污点; 污斑; 性格缺点

过去式:smirched现在分词:smirching第三人称单数:smirches过去分词:smirched

GRE



双语例句

  1. The compound material of resin matrix may produce serious smirch phenomenon during the minute hole drilling.
    以树脂为基体的复合材料在微孔加工中会产生严重污斑现象。
  2. Study of reducing compound material's drilling smirch
    减少复合材料钻孔污斑的研究