Ppt.
[医] 沉淀[物], 制备的, 精制的
🗣️ 情景例句
and one of them is Columbia.
其中一所是Columbia大学。
Hang on, please.
请等一下。
She will speak to you and then she will lead you away from this place.
她会对您说点什么，然后带您离开这个地方。