C-4-fraction
[化] 碳四馏分
🧩 词语组成解析
🗣️ 情景例句
Ms Lin worked hard all year.
林小姐一年到头辛勤工作。
In doing we learn.
经一事，长一智。
I'm afraid we haven't got any black shoes in that size at the moment.
恐怕此刻我们没有8号的黑色鞋了。