block and tackle

听听怎么读
英 [blɔk ænd ˈtækl]
美 [blɑk ənd ˈtækəl]
是什么意思
  • n.

    滑轮,滑车设备;

  • 英英释义

    block and tackle

    • n.pulley blocks with associated rope or cable
    学习怎么用

    权威例句

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