Polyvinylether
[化] 聚乙烯醚
🗣️ 情景例句
Your dad is quite a guy.
你爸爸真不赖。
You said it. I didn't.
这是你说的喔！
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。