Preperforative
[医] 穿孔前的
🗣️ 情景例句
autograph copies for the guests at the opening?
在展览开幕时为客人在书上亲笔签名呢
Never cast your pearls before swine.
不要把珍贵之物送给不识货的人；勿明珠暗投；勿对牛弹琴。
But so far, the public has expressed its gratitude to the students in letters to the Press.
但到目前为止，公众已经向新闻界写信表达他们对学生们的感激之情了。