decelerators

The train's decelerator malfunctioned, causing it to overshoot the station.

用法提示：名词，指火车的减速装置。

Engineers designed a new decelerator for the roller coaster to ensure a smooth stop.

用法提示：名词，指过山车的减速装置。

The spacecraft used an aerodynamic decelerator to slow down during re-entry.

用法提示：名词，指航天器的减速装置。