Dibutene
二丁烯, 聚二丁烯
🔁 扩展释义
【化】 二聚丁烯
🗣️ 情景例句
You have to go on television, too.
也应该上电视。
Can I cancel this ticket?
我可以取消这张票吗？
Mainframe computers were very large indeed, often occupying whole air-conditioned rooms,
计算机主机确实很大，常常占据了装有空调的多间房间，