| 释义 | 
		bar·bi·tal \ˈbärbəˌtȯl, ˈbȧb- sometimes -bəd.əl or -bətəl or bəˌtal\ noun (-s) Etymology: barbituric + -al (as in Veronal)  : a white crystalline habit-forming hypnotic C8H12N2O3 often administered in the form of its soluble sodium salt; diethyl-barbituric acid |