Piracetam
[化] 吡拉西坦; 2-吡咯烷酮乙酰胺
🗣️ 情景例句
I'm on coffee break.
我正在休息时间。
What is happening down there?
下面发生什么事情？
Because these items are from different shipments.
因为这几项品目不属同一批货。