Polycarbafil
玻璃纤维增强聚碳酸酯
🗣️ 情景例句
but I know what it feels like to miss someone.
但我知道想念一个人是什么样的滋味。
I've got a pain in my back.
我的后背有点疼痛。
It's the library's. Please be more careful from now on!
“是图书馆的书。从现在起请你倍加小心！”