Pentafluorinated
五氟化的
🗣️ 情景例句
We live with my parents, Dr. and Mrs. Philip Stewart.
我们和父母住在一起 ，我父母是Philip Stewart夫妇。
At this time of the year farmers plow their fields.
在一年这时候农夫们耕作他们的土地。
After I had left a small village in the south of France, I drove on to the next town.
在离开法国南部的一个小村庄后，我继续驶往下一个城镇。