Underfelting
(underfelt 的现在分词) n. （垫在地毯下的）地毯垫
🗣️ 情景例句
You're welcome.
别客气，欢迎你再来。
The fork is dirty, Would you bring me a clean one, please?
这叉子是脏的，请你拿个干净的给我。
Yes. It's bad now.
是的。现在很糟。