中英词典查询

preformed ['pri:'fɔ:md]

adj. 预成型的，预制成的;
v. 预先形成( preform的过去式和过去分词 );

例句:

  • The colorimetric methods involve the bleaching of a preformed color by the fluoride ion.
    比色法涉及氟离子对预先形成的颜色的消色作用.
  • Great works are preformed not by strength but by perseverance.
    伟大工作的完成,不是凭力量,而是凭毅力.
  • This is also preformed on covered surfaces a stacked assembly : substrate - pre - form - die.
    在叠层的组装工艺中,比如基板 - 焊片 - 芯片,即使有部分表面被盖住了,这种气氛同样有效.