Polysorb
有机聚合物担体
🗣️ 情景例句
What university are you attending?
你现在就读于哪所大学？
I'm going to show him how to cook.
我正要指点他如何做饭。
A few days later about 140 black people were taken and put on a tall sailing ship waiting off the coast.
几天以后，大约140名黑人被带到一艘停靠在海岸边的大帆船上。