Naphthenic (base) crude (oil)
[化] 环烷基石油
🧩 词语组成解析
环烷的, (脂)环烃的
🗣️ 情景例句
I'll help.
我也来帮忙。
You haven't been around much lately,have you?
你近来不大出来走动了，是吧？
'Mr.Eames,' he said, in a mournful voice, 'you have just killed that child!'
“埃姆斯先生，”他以悲伤的声调说，“你刚刚把那个小孩压死了！”