C-4-fraction
[化] 碳四馏分
🧩 词语组成解析
🗣️ 情景例句
Mom, you're winning!
妈妈， 你赢了！
What are you eating?
你正在吃什么？
Yes, speaking. Just a moment. Let me turn the music down. There, that's better.
是的，我就是。请稍等。让我把音量关小一点。你瞧，好多啦。