tranquilizer

n.

镇静剂，止痛药；增稳装置；

1. Laughter is a tranquilizer with no side effects.
   笑声是一种没有副作用的镇静剂。
2. Putin quickly shot the beast and sedated it with a tranquilizer gun.
   普京迅速用含镇静剂子弹的枪射击，让老虎安静了下来。

Tranquilizer and functional food
Tranquilizer Tabs for Capturing Wild Carnivores
Low quantum noise tranquilizer for Fabry–Perot interferometer
The membrane action of anesthetics and tranquilizer
Nursing home resources and tranquilizer use among the institutionalized elderly
Tranquilizer effect of exercise. Acute effects of moderate aerobic exercise on spinal reflex activation level.
Calcium-induced release of gamma-aminobutyric acid from synaptosomes: effects of tranquilizer drugs
The benzodiazepine--GABA--chloride ionophore receptor complex: common site of minor tranquilizer action.
Asymmetrical dissociation of learning between scopolamine and Wy 4036, a new benzodiazepine tranquilizer.
The mechanism of shock following suicidal doses of barbiturates, narcotics and tranquilizer drugs, with observations on the effects ...