Poly (1-butene)
[化] 聚丁烯
🧩 词语组成解析
n. 理工学院, 工艺高等专科学校\\n[化] 聚尿苷酸
🗣️ 情景例句
I have good news and bad news, which do you want to hear first?
我有好消息和坏消息，你想先听哪个？
It will help me understand the point you are trying to make.
这会帮助我了解你们的重点。
This ran on an 'operating system' called DOS, produced by a then small company named Microsoft.
这种电脑采用了一种被称为磁盘操作系统（DOS）的工作程序，而这种程序是由当时规模不大的微软公司生产的。