Bioactive polymer
[化] 生物活性高分子
🧩 词语组成解析
a. 生物活性的
🗣️ 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飞机，这也就限制了他们旅行时的选择了。
And finally, I want to express my appreciation to all of my friends for their support.
最后，我想感谢所有支持过我的朋友。
Then they brushed ink onto the characters.
接着，把墨汁刷在字上。