Polyderm
复周皮, 复皮层
🗣️ 情景例句
Thank you.
谢谢各位。
Do you live with your parents?
你和你父母住一起吗？
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。