lift pit

例句：

1. 1. The workers were lifting the heavy stones to build a new road.
   工人们正在搬运重石头来修建新路。
2. 2.The engineers had to lift the heavy equipment from the pit.
   工程师们不得不把重型设备从坑里抬出来。
3. 3.The construction workers were using a lift pit to move heavy materials up to the surface.
   建筑工人使用升降机将重材料运到地面。