Prefound
深奥的,深的,极度的
🗣️ 情景例句
I'm afraid not. We don't generally accept a letter of credit.
恐怕不行，我们一般不采用信用卡。
Man is a tool-using animal.
人是用器之兽。
He has always been a good neighbour.
他一直是个好邻居。