preformed

['pri:'fɔ:md]
  • adj. 预成型的,预制成的
  • v. 预先形成(preform的过去分词)

英文词源


preformed (adj.)
c. 1600, from Latin praeformare or else from pre- + formed (see form (v.)). Of plastic and synthetic products, from 1918.

双语例句


1. 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.

来自辞典例句

2. 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.

来自互联网

3. 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.

来自互联网

4. Preformed hole allows for convenient tagging.
预制的孔使得标记简单方便.

来自互联网

5. They preformed meritorious deeds in the fight to defend the frontiers of our motherland.
他们在保卫祖国边疆的战斗中立了功.

来自互联网

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