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
What material is this made from?
这是什么材料做的？
Who minds his own business has no time to mind other folks.
为人只顾自己事，就无时间关心人。
CUSTOMS OFFICER: Are your friends tourists too?
你们的朋友也是来旅游的吗？