Paraffinic hydrocarbons
[化] 链烷烃; 烷属烃
🧩 词语组成解析
石蜡族的
n. <化>碳氢化合物, 烃( hydrocarbon的复数形式 )
🗣️ 情景例句
I think we should leave the door open. it's boiling in there.
我觉得我们应该把大门敞着，屋里太热了。
What day is today?
今天是星期几？
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。