sedative
sedativeadjective- promoting calm or inducing sleep
镇静的;安眠的
the seeds have a sedative effect.
这籽有镇静作用。
noun- a drug taken for its calming or sleep-inducing effect
镇静剂;安眠药
语源- late Middle English: from Old French sedatif or medieval Latin sedativus, from Latin sedat- 'settled', from the verb sedare (see sedate)
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