copy test

短语

词形变化

copy tests 复数 copy tests copy tested copy testing copy tests 三单 copy testing 现在分词 copy tested 过去式 copy tested 过去分词

释义与例句

n.
  1. 1.

    A method of market research that predicts in-market performance of an advertisement before it airs.

    商务
v.
  1. 1.

    To carry out such research.