stage hoist

例句：

1. 1. The stage hoist has been a lifesaver for the performers during the show.
   舞台升降机在演出期间为表演者提供了救命的帮助。
2. 2. The stage hoist was used to lift heavy objects onto the stage.
   舞台升降机被用来将重物提升到舞台上。
3. 3. The stage hoist is responsible for lifting the actors and actresses onto the stage safely.
   舞台升降机负责安全地将演员和女演员提升到舞台上。