Cetan additive
[建] 十六烷值增进剂
🧩 词语组成解析
🗣️ 情景例句
She's a smart young lady, and very nice.
她是个聪明的年轻姑娘 而且很善良。
I meet the boy whose aunt is a stewardess.
我遇到那个男孩的姑妈是空中小姐。
but they lead mysterious lives of their own as well.
但是，它们又有自己神秘的生活方式。