spark test

短语

词形变化

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

释义与例句

n.
  1. 1.

    An instance of spark testing.

v.
  1. 1.

    To test for the general character of a steel, when testing a piece of steel, by grinding it, producing sparks, and using the color of the sparks to determine its general classification.

    艺术 工程

词源

From spark + test, due to the production of sparks in order to test for the character of a steel.

来源：wiktionary