Polyfluoroethylene
聚氟乙烯
🗣️ 情景例句
How much do I owe you?
我应付多少？
The gas stove is out of order.
这煤气灶坏了。
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。