Petrolage
石油處理法
??? 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飛機，這也就限制了他們旅行時的選擇了。
Who is the auther of this mystery story?
誰是這篇神秘故事的作者？
Don't trust to chance!
不要碰運氣。