Piracetam
[化] 吡拉西坦; 2-吡咯烷酮乙酰胺
??? 情景例句
You know, the goods were inspected by the Commodities Inspection Office before shipment.
你知道，這批貨物在裝船前是經過商品檢驗局檢驗的。
How long will you remain in the United States?
你將會在美國逗留多久？
and an American-made dialysis machine needs the EU's okay before is hits the market in Europe.
而美國制造的透析儀也要得到歐盟的首肯才能進入歐洲市場。