Usfda
[财]美国食品药物管理局
🗣️ 情景例句
My grandfather is very much alive and kicking.
我的祖父还健在。
The country is rich in natural resources.It has mineral deposits.
这个国家有丰富自然的资源。它有很多的矿床。
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。