Naphthenic crude
[化] 环烷基原油
🧩 词语组成解析
环烷的, (脂)环烃的
🗣️ 情景例句
Thank you for your good cooperation.
谢谢你们的大力合作。
An evening red and a morning grey, is a sign of a fair day.
晚霞红如火，晓色青如灰，定是晴朗天。
Yes. I was a little ill.
是的，我有点不舒服。