sedative

鎮靜劑、鎮定劑

The doctor gave her a mild sedative before the procedure.

醫生在手術前給她用了輕微的鎮靜劑。

鎮靜的、有鎮定作用的

This herbal tea is said to have a sedative effect.

據說這種花草茶有鎮靜的效果。