Shingling
压挤熟铁块, 叠瓦作用
🗣️ 情景例句
What floor is the shoe department on?
鞋部在几层？
Excuse me. Could you give me change for a dollar?
劳驾，你能不能换1元零钱给我？
Have you got a penfriend?
你有笔友吗？