C-4-fraction
[化] 碳四馏分
🧩 词语组成解析
🗣️ 情景例句
It doesn't mean you're going to Michigan.
这并不是说你就要去Michigan大学。
I ought to write a letter.
我应该写一封信。
Look, Liz!Here's another report about Karen Marsh.
看啊，莉兹！这又有一篇关于卡伦。马会的报道。