C-5-fraction
[化] 碳五馏分
🧩 词语组成解析
🗣️ 情景例句
A little knowledge is dangerous.
一知半解最危险。
Did you have a good flight?
你旅途愉快吗？
We were so excited, my brother and I, that we did not get to sleep until very late.
我们太激动，以至于我和我弟到很晚才睡得着。