Polyliner
多孔衬套
🗣️ 情景例句
How are you getting along?
近来如何？
He who hath good health is young, and he is rich who owes nothing.
健康葆青春，无债即富有。
The lines of the animal had in fact been cut into the rock.
事实上，动物的线条被刻进岩石里。