延长线
yán​cháng​xiàn

extended line

  • created sense approved 延长线/延長線 · yán​cháng​xiàn · extended line

    延长线 / 延長線

    yán​cháng​xiàn

    extended line

    the continuation of a mathematical or physical line beyond its original endpoint

    在几何题中，我们需要画出三角形底边的延长线。

    noun

    created sense

  • created sense approved 延长线/延長線 · yán​cháng​xiàn · extension cord

    延长线 / 延長線

    yán​cháng​xiàn

    extension cord

    a flexible power cable with a plug and sockets used to reach distant electrical outlets

    这里的插座不够用，我们需要买一根延长线。

    noun

    created sense