U.s.p.
[医] 美国药典
🗣️ 情景例句
My health sucks.
我的身体很差。
When could we typically expect delivery?
我们希望常规的发货时间是什么时候呢？
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。