吡拉西坦 bǐ lā xī tǎn 🔊 piracetam (C6H10N2O2), a nootropic + Keep this word Meanings bǐ lā xī tǎn (pharmacology) (loanword) piracetam (C6H10N2O2), a nootropic Its characters 吡bǐused as phonetic bi- or pi-拉lāto pullHSK 4西xīwestHSK 3坦tǎnflat