Polyfluorocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
to pick up a surprise.
接一个意外惊喜回来。
Your friend was here a week ago,wasn't he?
一个星期前，你的朋友曾在这里，是不是？
The hunt for the puma began in a small village where a woman picking blackberries saw 'a large cat' only five yards away from her.
搜寻美洲狮的工作是从一座小村庄开始的。那里的一位妇女在采摘黑莓时的看见“一只大猫”，离她仅5码远，