去氧麻黄碱 qùyǎngmáhuángjiǎn methamphetamine Origin Definitions Defs Strokes Stroke Words Sentences Sents 去 qù verbparticle to remove to get rid of; to eliminate; to subtract or reduce氧 yǎng noun oxygen oxygen; a colorless, odorless gas necessary for life and combustion麻黄碱 麻黃鹼 máhuángjiǎn ephedrine an alkaloid used in medicine, especially for the treatment of asthma and hay fever