Polyflon
聚四氟乙烯树脂(商品名)
🗣️ 情景例句
That's too rich for my blood.
对我来说太贵了。
I had to pay three dollars for my club fee.
我付了三美元给俱乐部
At the base of the gold cap, the words 'made in the U.S.A' had been nearly inscribed.
笔帽下方整齐地刻有“美国制造”字样。