Ppt.
[医] 沉淀[物], 制备的, 精制的
🗣️ 情景例句
Richard told us all about you.
Richard跟我们谈起你 。
Older and wiser.
越老越聪明。
We would lay less stress on 'facts and figures'and more on a good memory,
人们不会再重视"资料和数据"，而靠好记性、