C-5-fraction
[化] 碳五馏分
🧩 词语组成解析
🗣️ 情景例句
Where are you going during Summer vacation?
暑假你打算去哪儿？
Every man is the son of his own works.
种瓜得瓜，种豆得豆。
Why did you come here?
你为什么来这儿呢？