Polymer degradation
[化] 聚合物降解
🧩 词语组成解析
🗣️ 情景例句
No, thank you. Please tell him to phone me when he comes back.
不了，谢谢。他回来时，请告诉他给我打个电话。
We must listen carefully to the teacher.
我们必须注意听老师说的话。
Some so-called 'modern' pieces have been on display for nearly eighty years.
有些所谓的“现代”艺术品在那里已经陈列了近80年了。