block and tackle

常见例句

双语例句

• I finally hoisted him up with a block and tackle.
  我最终用滑轮组把他吊了上去。
• The drilling line is reeled over the crown block and traveling block to gain mechanical advantage in a "block and tackle" or "pulley" fashion.
  钻井用钢丝绳通过天车和游动滑车以滑轮组的形式获得机械上效益。
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• The problem about mechanical efficiency of tackle-block is the key point in junior high school mechanics and also the difficult point.
  滑轮组机械效率问题是初中力学中的重点，也是初中力学解题的难点。

权威例句

• If an advertiser chooses to merely block and tackle, lacking human relevance, his message will die a quick death.
  FORBES: gyroVoice: Less Fartsy, More Artsy: The Evolution of Advertising Into an Art Form
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