the administering of a sedative drug to produce a state of calm or sleep
施用镇静剂
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he was distraught with grief and under sedation .他悲痛欲狂,因而给他服用了镇静剂。
a state of calm or sleep produced by a sedative drug
(镇静剂引发的)平静(或睡眠)状态。
"mid 16th cent.: from French