Pentahydroxybenzophenone
五羟基二苯(甲)酮
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
No, thanks. I'm in a hurry. How much is it?
不用了，谢谢。我还有急事。多少钱？
Why does the idea of progress loom so large in the modern world? Surely progress of a particular kind is actually taking place around us and is becoming more and more manifest.
为什么进步这个概念在现代世界显得如此突出？无疑是因为有一种特殊的进步实际上正在我们周围发生，而且变得越来越明显。