Polymethacrylate
聚甲基丙烯酸酯
🗣️ 情景例句
Sunrises. Stretch it out. Flat back.
双手捧日。尽量伸展。平背拉回。
The fowler's pipe sounds sweet until the bird is caught.
捕禽人笛声悠扬，直吹得鸟儿落网。
I think it's closed.
我想已经关门了吧。