Underfelting
(underfelt 的现在分词) n. （垫在地毯下的）地毯垫
🗣️ 情景例句
Is this your best price?
这是你们最优惠的价格吗？
When an opportunity is neglected,it never comes back to you.
机不可失，时不再来；机会一过，永不再来。
Ever since last night.
自打昨晚起。