Penten
(=pentaethylenehexamine)五亚乙基六胺
🔁 扩展释义
【化】 五亚乙基六胺
🗣️ 情景例句
Emergency Assistance, may I help you?
紧急事故救援中心，有什么需要帮助的吗？
We must listen carefully to the teacher.
我们必须注意听老师说的话。
As a great many people will be visiting the country, the government will be building new hotels, an immense stadium, and a new Olympic-standard swimming pool.
由于将有大批的人到我们国家来，所以政府准备建造一些新的饭店、一个大型体育场和一个新的奥运会标准游泳池。