牙医给我开了安定来缓解拔牙前的紧张情绪。

The dentist gave me ___Valium to calm my nerves before the tooth extraction.

考试前她紧张得开玩笑说需要一粒安定来平静下来。

She was so nervous before the exam that she joked about needing a ___Valium to calm down.