first-line

短语

n. 随时可参加战斗的, 重要的, 首行

释义与例句

adj.
  1. 1.

    Of first resort.

    The embankment was the first-line defense against the flood.

  2. 2.

    Of prime quality or importance.

  3. 3.

    At the lowermost supervisory level.

    first-line manager

    Police sergeant is a first-line position.