jam up

短语

词形变化

jammed up jamming up jams up 三单 jams up jamming up 现在分词 jammed up 过去式 jammed up 过去分词

释义与例句

v.
  1. 1.

    To cause (something) to become blocked or clogged; to clog up.

    及物
  2. 2.

    To become blocked or clogged.

    不及物

    The traffic jammed up on the boulevard.

  3. 3.

    To cause trouble; to stop or inhibit (someone, something).

    比喻 及物