C-5-fraction
[化] 碳五馏分
🧩 词语组成解析
🗣️ 情景例句
As poor as a church mouse.
一文不名。
I dress my sister and wash her hands and face.
我给我妹妹穿衣服，洗脸洗手。
What are you then?
那你是什么国家的人呢？