Underpinn
v. 从下头支持;支撑;援助
🗣️ 情景例句
Where will you be living during your stay here?
你在此期间打算住哪里？
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。
He did not look up from his desk when I entered.
我进去的时候，他连头也没抬。