Polyacrylics
聚丙烯酸化物; 聚丙烯酸化物
🗣️ 情景例句
I have to return this book to the library.
我得把书还回图书馆了。
What's so weird about that?
那有什么好奇怪的？
The cultivation of a hobby and new forms of interest is therefore a policy of the first importance to a public man.
因此，对一个从事社会活动的人来说，培养一种业余爱好和各种新的兴趣是头等重要的作法。