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
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
An empty hand is no lure for a hawk.
空手诱不来老鹰。
Please fetch a chair from another room.
请到别的房间取一把椅子。