white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically; used as a bronchodilator to treat bronchitis and asthma
例句
用作名词 (n.)
Optical rotation was used to determine the content of ephedrine hydrochloride. 采用旋光法测定盐酸麻黄碱含量。
Regulations on the control of ephedrine have steadily been improved. 逐步完善管制麻黄素的法规。
China is one of the major producing and exporting countries of natural ephedrine. 我国是天然麻黄素的主要生产国和出口国之一。
美
['efədriːn]
