Underframing
底层框架的材料或结构部件
🗣️ 情景例句
How's that?
怎么是这样？
As requested, we now hold this offer open for a further 5 days since 24th April.
按你方要求，我方报价有效期延长5日，从4月24日起。
Don't remind him. It was nothing.
不要向他提起这件事了。那是微不足道的。