Polysorb
有机聚合物担体
🗣️ 情景例句
I got a Dear John letter from her.
我收到她的绝交信了。
Nothing stake, nothing draw.
不顶千里浪，哪来万斤鱼。
A little. I go to Chinese classes every week.
一点点，我每周去汉语班上课。