Pfeiffer's reaction
[医] 发否氏反应
🧩 词语组成解析
🗣️ 情景例句
What's the nature of the problem?
是什么样的问题？
Has your company done any research in this field?
请问贵公司对此范畴做了任何研究吗？
Excuse me, please. Where's the nearest men's room?
劳驾，离这儿最近的男厕所在哪儿？