Polysorb
有机聚合物担体
🗣️ 情景例句
He is on another line right now.
他正在接另一个电话。
It'll take a few more weeks for the bone to mend.
还需要花两三周骨头才能复原。
It's a good idea to hold such conferences.
召开这样的会议真是个好主意。