preform

vt. 预先形成 n. 预成型品

词形变化

preforms 复数 preforms preforms 三单 preforming 现在分词 preformed 过去式 preformed 过去分词

释义与例句

n.
  1. 1.

    An object that has undergone preliminary shaping but is not yet in its final form.

  2. 2.

    The rough, incomplete and unused basic form of a stone tool.

  3. 3.

    A word that is no longer in use, but has been reconstructed from current ones.

    语言学
v.
  1. 1.

    To shape something before some other operation.

  2. 1.

    Misspelling of perform.

词汇关系

动词

上位词 6

work form shape mold forge mould

词源

From pre- + form.

来源：wiktionary