file-card

短语

词形变化

file-cards 复数

别名

file card

释义与例句

n.
  1. 1.

    Material with embedded wire teeth used for cleaning files; card-clothing

    不可数 可数
  2. 2.

    A tool for removing debris from between the teeth of a file.

    可数 不可数

词源

From file (“cutting and smoothing tool”) + card (“material with embedded wire bristles”).

来源：wiktionary