Pfeiffer's substance
[化] 普法伊费尔化合物
🧩 词语组成解析
🗣️ 情景例句
What time will the plane land?
飞机在什么时间降落？
I'll try, but I may have to work late.
就这样办，不过，昨晚工作怕要很晚了。
although what impression any other civilization would thus get from us is best left unsaid.
至于其他文明行星对我们地球会有什么印象，还是不说为好。