block and tackle造句

1、 The game of life is a lot like football. You have to tackle your problems, block your fears, and score your points when you get the opportunity.(人生的竞赛很像橄榄球赛，你必须解决你的问题，挡住你的恐惧，并在机会出现时得分。)

2、 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。)

3、 I finally hoisted him up with a block and tackle.(我最终用滑轮组把他拉了上去。)

4、 When opening, carrying or installing it, please use block and tackle, chain block, fork lift truck or other assistant devices.(在开箱·搬运·安装时，请使用吊滑轮，起重机，叉式升运机等辅助设备。)

5、 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。)