Tefzel
乙烯-四氟乙烯共聚物
🗣️ 情景例句
No, it's an original. My father's friend is a calligrapher, and I had him make it for you.
没错，这可是真迹。我父亲的朋友是书法家，专门帮你写的。
To paint the roof
油漆屋顶
There is a television in the room.
客厅里有台电视机。