| 释义 |
DEFINITIVE EXAMPLES 权威例句〔block〕A pulley or a system of pulleys set in a casing.滑轮，滑轮组：安装在机械外壳中的滑轮或滑轮组美国传统〔pulley〕The blocks of stone had to be lifted into position with a system of pulleys.这些石块得用滑轮组牵引到位。剑桥高阶〔tackle〕I finally hoisted him up with a block and tackle.我最终用滑轮组把他拉了上去。柯林斯高阶The blocks of stone had to be lifted into position with a system of pulleys.大块的石头必须用滑轮组牵引到位。剑桥国际 |