"tending to calm or soothe," early 15c., from Medieval Latin sedativus "calming, allaying," from sedat-, past participle stem of sedare, causative of sedere "to sit" (see sedentary). The noun derivative meaning "a sedative drug" is attested from 1785. Hence, "whatever soothes or allays."
双语例句
1. The plant acts as a sedative in treating neuralgia.
这种植物被用作治疗神经痛时的镇静药。
来自柯林斯例句
2. The patient is sedated with intravenous use of sedative drugs.
静脉注射了镇静剂后病人安然入睡。
来自柯林斯例句
3. They use opium as a sedative, rather than as a narcotic.
他们把鸦片用作镇静剂而不是毒品。
来自柯林斯例句
4. The sedative makes people very somnolent.
这种镇静剂会让人瞌睡。
来自柯林斯例句
5. After taking a sedative she was able to get to sleep.
