Perfluorokerosene (pfk)
[化] 全氟煤油
??? 情景例句
It was so nice to be out in the country.
出去置身鄉下真是太好了。
Do you think you'll go to the movies tomorrow night?
你認為你將在明天晚上去看電影嗎？
I'm sorry, Mathilde. Have times been hard for you?
瑪蒂爾德，我真替你難過。這些年來境況不太好吧？