Photodegradable polymer
[化] 光降解聚合物
🧩 词语组成解析
a. [化]可光降解的
🗣️ 情景例句
My dear little boy just looked up at me as if to say,
我亲爱的小男孩只是仰头看着我 ，好像在说，
Sorry, they are already full.
抱歉，全部满了。
Who do you think you are?
你以为你是谁？