Prep.
abbr. (=preposition)(=preparation)\\n
🗣️ 情景例句
I sure do.
我当然记得。
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。
Has it got anything to do with your present research?
报告跟你目前的研究有关吗？