Underboarding
垫板, 衬板
🗣️ 情景例句
Better than that.
比那种事更值得高兴。
Once a knave,ever a knave.
一次成无赖，永远是无赖。
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。