Polycarbonate
[化] 聚碳酸酯
🗣️ 情景例句
It's for a book.
是为一本书拍的。
After dinner sit awhile,after supper walk a mile.
正餐以后，休息片刻；晚餐以后，步行一哩。
I can't see them there. Did you buy any this morning?
桌子下面没有。你今天早晨买了吗？