Words — 1 found
xiān àn luò wán tóng
ㄧˇ ㄒㄧㄢ ㄢˋ ㄅㄧˇ ㄌㄨㄛˋ ㄨㄢˊ ㄊㄨㄥˊ
  1. 1. (pharmacology) piracetam (C6H10N2O2), a nootropic