sedative|sedatives

护士给他注射了一针镇静剂让他安静下来。

The nurse gave him a ___sedative injection to calm him down.

医生给他开了些镇静剂来缓解手术前的紧张情绪。

The doctor gave him some ___sedatives to calm his nerves before the surgery.

温热的薰衣草茶有镇静效果，帮助她很快入睡。

The warm lavender tea had a ___sedative effect, helping her fall asleep quickly.