Cetan additive
[建] 十六烷值增进剂
🧩 词语组成解析
🗣️ 情景例句
Well, then, perhaps we can get together another time.
也许我们可以另找时间聚一聚。
I'm writing to a friend of mine in South American.
我在写信给一个美国南部的朋友。
During the journey, their boat began to sink.
途中，船开始下沉，