Penethamate
青霉素G二乙氨基乙酯
🗣️ 情景例句
I worked to put together a book of photographs.
我的工作是创作出一本摄影书。
I'll have mashed potatoes and green beans.
我要土豆泥和青豆。
Since the sea covers the greater part of the earth's surface,
既然海洋覆盖着地球的大部分表面，