hoisting block

例句：

1. 1. The engineer had to hoist the heavy block onto the roof.
   工程师不得不将沉重的块状物吊到屋顶上。
2. 2.The construction crew used a lifting block to lift the heavy beams into place.
   建筑工人使用起重块将沉重的梁抬起到位。
3. 3.The block was designed to be easily hoisted by cranes for transportation purposes.
   这个块状物设计得可以轻松地被起重机吊起，用于运输目的。