Kieffer's stain
[医] 基弗尔氏染剂(耐酸性染剂)
🧩 词语组成解析
🗣️ 情景例句
Yes?
真的？
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
A short while ago, however, he became a bus driver and he has not regretted it.
然而就在前不久，他开上了公共汽车，也并不为此而感到后悔。