C-5-fraction
[化] 碳五馏分
🧩 词语组成解析
🗣️ 情景例句
They don't have a coffee shop.
他们也没有咖啡厅。
Do you know when he will be back?
你知道他什么时候会回来？
Good idea! That is much better than watching a bad TV programme!
好主意！这比看破电视节目要好多了。